Base | Representation |
---|---|
bin | 111101000110100001… |
… | …1100000000011010010 |
3 | 110112200122011021011002 |
4 | 1322031003200003102 |
5 | 4122212133232200 |
6 | 140140220022002 |
7 | 12323433360152 |
oct | 1721503400322 |
9 | 415618137132 |
10 | 131215524050 |
11 | 50714819366 |
12 | 2151b991902 |
13 | c4b1973030 |
14 | 64caaba762 |
15 | 362e918bd5 |
hex | 1e8d0e00d2 |
131215524050 has 48 divisors (see below), whose sum is σ = 264169232712. Its totient is φ = 48202828800.
The previous prime is 131215524043. The next prime is 131215524061. The reversal of 131215524050 is 50425512131.
It can be written as a sum of positive squares in 12 ways, for example, as 21613201 + 131193910849 = 4649^2 + 362207^2 .
It is a super-2 number, since 2×1312155240502 (a number of 23 digits) contains 22 as substring.
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, 384311 + ... + 640410.
Almost surely, 2131215524050 is an apocalyptic number.
131215524050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131215524050 is an abundant number, since it is smaller than the sum of its proper divisors (132953708662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131215524050 is a wasteful number, since it uses less digits than its factorization.
131215524050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1024943 (or 1024938 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 29.
The spelling of 131215524050 in words is "one hundred thirty-one billion, two hundred fifteen million, five hundred twenty-four thousand, fifty".
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