Base | Representation |
---|---|
bin | 111101010001011100… |
… | …0100011011100111000 |
3 | 110120122011021122000121 |
4 | 1322202320203130320 |
5 | 4123434412100034 |
6 | 140240421343024 |
7 | 12335501306362 |
oct | 1724270433470 |
9 | 416564248017 |
10 | 131581753144 |
11 | 50892518736 |
12 | 21602567a74 |
13 | c53c7bc13a |
14 | 65235add32 |
15 | 3651b5b1b4 |
hex | 1ea2e23738 |
131581753144 has 16 divisors (see below), whose sum is σ = 246726247320. Its totient is φ = 65788087200.
The previous prime is 131581753133. The next prime is 131581753169. The reversal of 131581753144 is 441357185131.
It is a self number, because there is not a number n which added to its sum of digits gives 131581753144.
It is a congruent number.
It is an unprimeable number.
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, 140907 + ... + 531994.
Almost surely, 2131581753144 is an apocalyptic number.
It is an amenable number.
131581753144 is a deficient number, since it is larger than the sum of its proper divisors (115144494176).
131581753144 is a wasteful number, since it uses less digits than its factorization.
131581753144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 697350 (or 697346 counting only the distinct ones).
The product of its digits is 201600, while the sum is 43.
The spelling of 131581753144 in words is "one hundred thirty-one billion, five hundred eighty-one million, seven hundred fifty-three thousand, one hundred forty-four".
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