Base | Representation |
---|---|
bin | 11101111000001011110101… |
… | …110010001100101101101100 |
3 | 122020021010121021222222012210 |
4 | 131320023311302030231230 |
5 | 114210412103333443040 |
6 | 1143250154301130420 |
7 | 36451436236415166 |
oct | 3570136562145554 |
9 | 566233537888183 |
10 | 131404353031020 |
11 | 38962300644113 |
12 | 128a3063b59a10 |
13 | 58424b9c88454 |
14 | 246400c977936 |
15 | 102d1de965480 |
hex | 7782f5c8cb6c |
131404353031020 has 96 divisors (see below), whose sum is σ = 393646172532480. Its totient is φ = 32652677871360.
The previous prime is 131404353030983. The next prime is 131404353031123. The reversal of 131404353031020 is 20130353404131.
It is a happy number.
It is a super-2 number, since 2×1314043530310202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944741742 + ... + 944880821.
It is an arithmetic number, because the mean of its divisors is an integer number (4100480963880).
Almost surely, 2131404353031020 is an apocalyptic number.
131404353031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131404353031020 is an abundant number, since it is smaller than the sum of its proper divisors (262241819501460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131404353031020 is a wasteful number, since it uses less digits than its factorization.
131404353031020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1889622655 (or 1889622653 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 30.
The spelling of 131404353031020 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred fifty-three million, thirty-one thousand, twenty".
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