Base | Representation |
---|---|
bin | 111101000001000000… |
… | …1110010010001111100 |
3 | 110112012202001100020100 |
4 | 1322002001302101330 |
5 | 4121322303300202 |
6 | 140110010521100 |
7 | 12316026041400 |
oct | 1720201622174 |
9 | 415182040210 |
10 | 131030525052 |
11 | 5062a351929 |
12 | 21489a36190 |
13 | c48253b97b |
14 | 64b02c1100 |
15 | 361d57441c |
hex | 1e8207247c |
131030525052 has 108 divisors (see below), whose sum is σ = 385387917096. Its totient is φ = 37427987520.
The previous prime is 131030525047. The next prime is 131030525069. The reversal of 131030525052 is 250525030131.
It is a happy number.
131030525052 is a `hidden beast` number, since 1 + 3 + 103 + 0 + 52 + 505 + 2 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10441902 + ... + 10454442.
Almost surely, 2131030525052 is an apocalyptic number.
131030525052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131030525052 is an abundant number, since it is smaller than the sum of its proper divisors (254357392044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131030525052 is a wasteful number, since it uses less digits than its factorization.
131030525052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18488 (or 18476 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 27.
Adding to 131030525052 its reverse (250525030131), we get a palindrome (381555555183).
The spelling of 131030525052 in words is "one hundred thirty-one billion, thirty million, five hundred twenty-five thousand, fifty-two".
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