Base | Representation |
---|---|
bin | 11101110101011000000100… |
… | …111010011110010001011100 |
3 | 122012120200101102101012210200 |
4 | 131311120010322132101130 |
5 | 114144231302313030022 |
6 | 1143021353203103500 |
7 | 36431464105135125 |
oct | 3565300472362134 |
9 | 565520342335720 |
10 | 131211333330012 |
11 | 38898460aa0961 |
12 | 12871776071b90 |
13 | 582a238b64c10 |
14 | 245893b96504c |
15 | 1028194217bac |
hex | 775604e9e45c |
131211333330012 has 72 divisors (see below), whose sum is σ = 375985692023760. Its totient is φ = 38247838053120.
The previous prime is 131211333329987. The next prime is 131211333330131. The reversal of 131211333330012 is 210033333112131.
131211333330012 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 13 + 333 + 300 + 12 = 666.
It is a congruent number.
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, 7378046289 + ... + 7378064072.
It is an arithmetic number, because the mean of its divisors is an integer number (5222023500330).
Almost surely, 2131211333330012 is an apocalyptic number.
131211333330012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131211333330012 is an abundant number, since it is smaller than the sum of its proper divisors (244774358693748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131211333330012 is a wasteful number, since it uses less digits than its factorization.
131211333330012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14756110403 (or 14756110398 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 27.
Adding to 131211333330012 its reverse (210033333112131), we get a palindrome (341244666442143).
The spelling of 131211333330012 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred thirty-three million, three hundred thirty thousand, twelve".
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