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2100310121310 = 235123787565571
BaseRepresentation
bin11110100100000100001…
…111010001101101011110
321102210021020000222200020
4132210010033101231132
5233402413342340220
64244511423013010
7304512433316232
oct36440417215536
97383236028606
102100310121310
1173a811343695
1229b07973a166
1312309b3a673b
1473926b9a5c2
1539979575040
hex1e9043d1b5e

2100310121310 has 32 divisors (see below), whose sum is σ = 5040793924992. Its totient is φ = 560077184160.

The previous prime is 2100310121269. The next prime is 2100310121359. The reversal of 2100310121310 is 131210130012.

It is a happy number.

It is a super-2 number, since 2×21003101213102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2100310121310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430825 + ... + 3996395.

It is an arithmetic number, because the mean of its divisors is an integer number (157524810156).

Almost surely, 22100310121310 is an apocalyptic number.

2100310121310 is an abundant number, since it is smaller than the sum of its proper divisors (2940483803682).

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

2100310121310 is a wasteful number, since it uses less digits than its factorization.

2100310121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689368.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2100310121310 its reverse (131210130012), we get a palindrome (2231520251322).

The spelling of 2100310121310 in words is "two trillion, one hundred billion, three hundred ten million, one hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 123787 247574 371361 565571 618935 742722 1131142 1237870 1696713 1856805 2827855 3393426 3713610 5655710 8483565 16967130 70010337377 140020674754 210031012131 350051686885 420062024262 700103373770 1050155060655 2100310121310