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2102244320 = 255112108587
BaseRepresentation
bin111110101001101…
…1011001111100000
312102111202002001202
41331103123033200
513301133304240
6544334220332
7103044532121
oct17523331740
95374662052
102102244320
11989731300
124a80546a8
132766c5567
1415d2b2048
15c485c315
hex7d4db3e0

2102244320 has 72 divisors (see below), whose sum is σ = 5459153112. Its totient is φ = 764445440.

The previous prime is 2102244269. The next prime is 2102244337. The reversal of 2102244320 is 234422012.

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 = 2102244292 and 2102244301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34934 + ... + 73653.

It is an arithmetic number, because the mean of its divisors is an integer number (75821571).

Almost surely, 22102244320 is an apocalyptic number.

2102244320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102244320 is an abundant number, since it is smaller than the sum of its proper divisors (3356908792).

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

2102244320 is a wasteful number, since it uses less digits than its factorization.

2102244320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108624 (or 108605 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2102244320 is about 45850.2379492190. The cubic root of 2102244320 is about 1281.0351977162.

Adding to 2102244320 its reverse (234422012), we get a palindrome (2336666332).

The spelling of 2102244320 in words is "two billion, one hundred two million, two hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 121 160 176 220 242 352 440 484 605 880 968 1210 1760 1936 2420 3872 4840 9680 19360 108587 217174 434348 542935 868696 1085870 1194457 1737392 2171740 2388914 3474784 4343480 4777828 5972285 8686960 9555656 11944570 13139027 17373920 19111312 23889140 26278054 38222624 47778280 52556108 65695135 95556560 105112216 131390270 191113120 210224432 262780540 420448864 525561080 1051122160 2102244320