Base | Representation |
---|---|
bin | 111101010000111010… |
… | …1110111101000010101 |
3 | 110120120221101111121100 |
4 | 1322201311313220111 |
5 | 4123420423202044 |
6 | 140234554540313 |
7 | 12335166601362 |
oct | 1724165675025 |
9 | 416527344540 |
10 | 131564272149 |
11 | 50883668a32 |
12 | 215b8737699 |
13 | c538cab45b |
14 | 652113d469 |
15 | 3650356869 |
hex | 1ea1d77a15 |
131564272149 has 36 divisors (see below), whose sum is σ = 197093372736. Its totient is φ = 84565458000.
The previous prime is 131564272141. The next prime is 131564272183. The reversal of 131564272149 is 941272465131.
131564272149 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 6 + 427 + 214 + 9 = 666.
It is not a de Polignac number, because 131564272149 - 23 = 131564272141 is a prime.
It is a super-2 number, since 2×1315642721492 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131564272141) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2315814 + ... + 2371944.
Almost surely, 2131564272149 is an apocalyptic number.
It is an amenable number.
131564272149 is a deficient number, since it is larger than the sum of its proper divisors (65529100587).
131564272149 is a wasteful number, since it uses less digits than its factorization.
131564272149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56470 (or 56436 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The spelling of 131564272149 in words is "one hundred thirty-one billion, five hundred sixty-four million, two hundred seventy-two thousand, one hundred forty-nine".
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