Base | Representation |
---|---|
bin | 11101111010001110110111… |
… | …011010011110010101101011 |
3 | 122020202120202001101012000120 |
4 | 131322032313122132111223 |
5 | 114220213220334421011 |
6 | 1143434542442534323 |
7 | 36464546506513623 |
oct | 3572166732362553 |
9 | 566676661335016 |
10 | 131545040545131 |
11 | 38a06a36019834 |
12 | 12906387b073a3 |
13 | 585284b107615 |
14 | 246ab5760d883 |
15 | 1031bc5bdea06 |
hex | 77a3b769e56b |
131545040545131 has 16 divisors (see below), whose sum is σ = 177019477773600. Its totient is φ = 86883802841088.
The previous prime is 131545040545129. The next prime is 131545040545157.
131545040545131 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 131545040545131 - 21 = 131545040545129 is a prime.
It is a super-2 number, since 2×1315450405451312 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131545040545031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15876246 + ... + 22696811.
It is an arithmetic number, because the mean of its divisors is an integer number (11063717360850).
Almost surely, 2131545040545131 is an apocalyptic number.
131545040545131 is a deficient number, since it is larger than the sum of its proper divisors (45474437228469).
131545040545131 is a wasteful number, since it uses less digits than its factorization.
131545040545131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38583598.
The product of its (nonzero) digits is 360000, while the sum is 42.
The spelling of 131545040545131 in words is "one hundred thirty-one trillion, five hundred forty-five billion, forty million, five hundred forty-five thousand, one hundred thirty-one".
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