Base | Representation |
---|---|
bin | 11110110111010110000… |
… | …111101010111011101010 |
3 | 21111202200220210100120012 |
4 | 132313112013222323222 |
5 | 234222312332241020 |
6 | 4302213515131522 |
7 | 306144430556315 |
oct | 36672607527352 |
9 | 7452626710505 |
10 | 2121011212010 |
11 | 748574597509 |
12 | 2a3096443ba2 |
13 | 12501a0b3032 |
14 | 7492c22197c |
15 | 3a28bb2b7c5 |
hex | 1edd61eaeea |
2121011212010 has 32 divisors (see below), whose sum is σ = 3904425849600. Its totient is φ = 829371441600.
The previous prime is 2121011211997. The next prime is 2121011212037. The reversal of 2121011212010 is 102121101212.
It is a super-2 number, since 2×21210112120102 (a number of 25 digits) contains 22 as substring.
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, 13211420 + ... + 13370999.
It is an arithmetic number, because the mean of its divisors is an integer number (122013307800).
Almost surely, 22121011212010 is an apocalyptic number.
2121011212010 is a deficient number, since it is larger than the sum of its proper divisors (1783414637590).
2121011212010 is a wasteful number, since it uses less digits than its factorization.
2121011212010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26582606.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 2121011212010 its reverse (102121101212), we get a palindrome (2223132313222).
The spelling of 2121011212010 in words is "two trillion, one hundred twenty-one billion, eleven million, two hundred twelve thousand, ten".
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