Base | Representation |
---|---|
bin | 111101000111011000… |
… | …1101100110001100100 |
3 | 110112202122111220222022 |
4 | 1322032301230301210 |
5 | 4122242032141004 |
6 | 140143131122312 |
7 | 12324234044456 |
oct | 1721661546144 |
9 | 415678456868 |
10 | 131244412004 |
11 | 5072a05a302 |
12 | 215295a3398 |
13 | c4b7948ab4 |
14 | 64d087a2d6 |
15 | 36322232be |
hex | 1e8ec6cc64 |
131244412004 has 12 divisors (see below), whose sum is σ = 235019063664. Its totient is φ = 64096108104.
The previous prime is 131244412003. The next prime is 131244412031. The reversal of 131244412004 is 400214442131.
It is not an unprimeable number, because it can be changed into a prime (131244412001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381524282 + ... + 381524625.
It is an arithmetic number, because the mean of its divisors is an integer number (19584921972).
Almost surely, 2131244412004 is an apocalyptic number.
It is an amenable number.
131244412004 is a deficient number, since it is larger than the sum of its proper divisors (103774651660).
131244412004 is a wasteful number, since it uses less digits than its factorization.
131244412004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763048954 (or 763048952 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 131244412004 its reverse (400214442131), we get a palindrome (531458854135).
The spelling of 131244412004 in words is "one hundred thirty-one billion, two hundred forty-four million, four hundred twelve thousand, four".
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