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2102010120 = 233257834131
BaseRepresentation
bin111110101001010…
…0010000100001000
312102111022011210200
41331102202010020
513301103310440
6544325212200
7103042535250
oct17522420410
95374264720
102102010120
11989591351
124a7b61060
13276642a92
1415d250960
15c4812c30
hex7d4a2108

2102010120 has 96 divisors (see below), whose sum is σ = 7807475520. Its totient is φ = 480458880.

The previous prime is 2102010083. The next prime is 2102010133. The reversal of 2102010120 is 210102012.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414546 + ... + 419585.

It is an arithmetic number, because the mean of its divisors is an integer number (81327870).

Almost surely, 22102010120 is an apocalyptic number.

2102010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102010120 is an abundant number, since it is smaller than the sum of its proper divisors (5705465400).

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

2102010120 is a wasteful number, since it uses less digits than its factorization.

2102010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834155 (or 834148 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2102010120 is about 45847.6839109676. The cubic root of 2102010120 is about 1280.9876248149.

Adding to 2102010120 its reverse (210102012), we get a palindrome (2312112132).

The spelling of 2102010120 in words is "two billion, one hundred two million, ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 834131 1668262 2502393 3336524 4170655 5004786 5838917 6673048 7507179 8341310 10009572 11677834 12511965 15014358 16682620 17516751 20019144 23355668 25023930 29194585 30028716 33365240 35033502 37535895 46711336 50047860 52550253 58389170 60057432 70067004 75071790 87583755 100095720 105100506 116778340 140134008 150143580 175167510 210201012 233556680 262751265 300287160 350335020 420402024 525502530 700670040 1051005060 2102010120