Base | Representation |
---|---|
bin | 10111001010101001111101… |
… | …010110001100010001001011 |
3 | 111100202022222022112021022022 |
4 | 113022221331112030101023 |
5 | 101323310211143241011 |
6 | 1000410215355315055 |
7 | 30314054462305001 |
oct | 2712517526142113 |
9 | 440668868467268 |
10 | 101887317165131 |
11 | 2a512194385353 |
12 | b51654044ba8b |
13 | 44b0c18426964 |
14 | 1b23530076a71 |
15 | bba4c9db08db |
hex | 5caa7d58c44b |
101887317165131 has 4 divisors (see below), whose sum is σ = 102399313734000. Its totient is φ = 101375320596264.
The previous prime is 101887317165103. The next prime is 101887317165173. The reversal of 101887317165131 is 131561713788101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101887317165131 is a prime.
It is a super-2 number, since 2×1018873171651312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101887317161131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255998284136 + ... + 255998284533.
It is an arithmetic number, because the mean of its divisors is an integer number (25599828433500).
Almost surely, 2101887317165131 is an apocalyptic number.
101887317165131 is a deficient number, since it is larger than the sum of its proper divisors (511996568869).
101887317165131 is an equidigital number, since it uses as much as digits as its factorization.
101887317165131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511996568868.
The product of its (nonzero) digits is 846720, while the sum is 53.
The spelling of 101887317165131 in words is "one hundred one trillion, eight hundred eighty-seven billion, three hundred seventeen million, one hundred sixty-five thousand, one hundred thirty-one".
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