Base | Representation |
---|---|
bin | 11110100100000100001… |
… | …111010001101101011110 |
3 | 21102210021020000222200020 |
4 | 132210010033101231132 |
5 | 233402413342340220 |
6 | 4244511423013010 |
7 | 304512433316232 |
oct | 36440417215536 |
9 | 7383236028606 |
10 | 2100310121310 |
11 | 73a811343695 |
12 | 29b07973a166 |
13 | 12309b3a673b |
14 | 73926b9a5c2 |
15 | 39979575040 |
hex | 1e9043d1b5e |
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".
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