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2123114420 = 2257711671279
BaseRepresentation
bin111111010001100…
…0010011110110100
312110222000101110102
41332203002132310
513322004130140
6550401413232
7103420113650
oct17643023664
95428011412
102123114420
1199a496319
124b303a218
1327ab21a2b
14161d85a60
15c65d0e15
hex7e8c27b4

2123114420 has 96 divisors (see below), whose sum is σ = 5202247680. Its totient is φ = 712817280.

The previous prime is 2123114417. The next prime is 2123114423. The reversal of 2123114420 is 244113212.

2123114420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2123114417) and next prime (2123114423).

It is a super-2 number, since 2×21231144202 = 9015229680823872800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2123114392 and 2123114401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123114423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1659341 + ... + 1660619.

It is an arithmetic number, because the mean of its divisors is an integer number (54190080).

Almost surely, 22123114420 is an apocalyptic number.

2123114420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123114420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2601123840).

2123114420 is an abundant number, since it is smaller than the sum of its proper divisors (3079133260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123114420 is a wasteful number, since it uses less digits than its factorization.

2123114420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2123114420 is about 46077.2657608934. The cubic root of 2123114420 is about 1285.2604194952.

Adding to 2123114420 its reverse (244113212), we get a palindrome (2367227632).

The spelling of 2123114420 in words is "two billion, one hundred twenty-three million, one hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 140 142 167 284 334 355 497 668 710 835 994 1169 1279 1420 1670 1988 2338 2485 2558 3340 4676 4970 5116 5845 6395 8953 9940 11690 11857 12790 17906 23380 23714 25580 35812 44765 47428 59285 82999 89530 90809 118570 165998 179060 181618 213593 237140 331996 363236 414995 427186 454045 635663 829990 854372 908090 1067965 1271326 1495151 1659980 1816180 2135930 2542652 2990302 3178315 4271860 5980604 6356630 7475755 12713260 14951510 15165103 29903020 30330206 60660412 75825515 106155721 151651030 212311442 303302060 424622884 530778605 1061557210 2123114420