Base | Representation |
---|---|
bin | 111101010111000100… |
… | …0101011000011100001 |
3 | 110121010022111101101210 |
4 | 1322232020223003201 |
5 | 4124331223343334 |
6 | 140311243420333 |
7 | 12343253002323 |
oct | 1725610530341 |
9 | 417108441353 |
10 | 131770527969 |
11 | 5097a033a93 |
12 | 216558246a9 |
13 | c56c946012 |
14 | 65406ad613 |
15 | 36634e95e9 |
hex | 1eae22b0e1 |
131770527969 has 16 divisors (see below), whose sum is σ = 179811320832. Its totient is φ = 85789090128.
The previous prime is 131770527949. The next prime is 131770527991. The reversal of 131770527969 is 969725077131.
It is not a de Polignac number, because 131770527969 - 25 = 131770527937 is a prime.
It is a super-2 number, since 2×1317705279692 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131770527949) 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, 678412 + ... + 850754.
It is an arithmetic number, because the mean of its divisors is an integer number (11238207552).
Almost surely, 2131770527969 is an apocalyptic number.
It is an amenable number.
131770527969 is a deficient number, since it is larger than the sum of its proper divisors (48040792863).
131770527969 is a wasteful number, since it uses less digits than its factorization.
131770527969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178316.
The product of its (nonzero) digits is 5000940, while the sum is 57.
The spelling of 131770527969 in words is "one hundred thirty-one billion, seven hundred seventy million, five hundred twenty-seven thousand, nine hundred sixty-nine".
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