Base | Representation |
---|---|
bin | 11101110101011001101010… |
… | …001110101011000011001010 |
3 | 122012120211202212211200212010 |
4 | 131311121222032223003022 |
5 | 114144243242434432132 |
6 | 1143022234003400350 |
7 | 36431554165141632 |
oct | 3565315216530312 |
9 | 565524685750763 |
10 | 131213033124042 |
11 | 38899153533311 |
12 | 12871b6b3830b6 |
13 | 582a44a06b7bc |
14 | 2458a5d5d56c2 |
15 | 102824357a6cc |
hex | 77566a3ab0ca |
131213033124042 has 32 divisors (see below), whose sum is σ = 279002610235008. Its totient is φ = 41046680307776.
The previous prime is 131213033123951. The next prime is 131213033124071. The reversal of 131213033124042 is 240421330312131.
It is a super-2 number, since 2×1312130331240422 (a number of 29 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, 8969984013 + ... + 8969998640.
It is an arithmetic number, because the mean of its divisors is an integer number (8718831569844).
Almost surely, 2131213033124042 is an apocalyptic number.
131213033124042 is an abundant number, since it is smaller than the sum of its proper divisors (147789577110966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131213033124042 is a wasteful number, since it uses less digits than its factorization.
131213033124042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17939982734.
The product of its (nonzero) digits is 10368, while the sum is 30.
Adding to 131213033124042 its reverse (240421330312131), we get a palindrome (371634363436173).
The spelling of 131213033124042 in words is "one hundred thirty-one trillion, two hundred thirteen billion, thirty-three million, one hundred twenty-four thousand, forty-two".
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