Base | Representation |
---|---|
bin | 1000001001000111001… |
… | …0111100100010100000 |
3 | 111101001211022112012122 |
4 | 2002101302330202200 |
5 | 4242441030124320 |
6 | 144132353043412 |
7 | 13051323631541 |
oct | 2022162744240 |
9 | 441054275178 |
10 | 139885004960 |
11 | 54363490718 |
12 | 2313b256568 |
13 | 10263acb1ac |
14 | 6ab02564c8 |
15 | 398aaa8d25 |
hex | 2091cbc8a0 |
139885004960 has 24 divisors (see below), whose sum is σ = 330478324596. Its totient is φ = 55954001920.
The previous prime is 139885004957. The next prime is 139885004971. The reversal of 139885004960 is 69400588931.
It can be written as a sum of positive squares in 2 ways, for example, as 120656190736 + 19228814224 = 347356^2 + 138668^2 .
It is a super-2 number, since 2×1398850049602 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437140481 + ... + 437140800.
Almost surely, 2139885004960 is an apocalyptic number.
139885004960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139885004960 is an abundant number, since it is smaller than the sum of its proper divisors (190593319636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139885004960 is an equidigital number, since it uses as much as digits as its factorization.
139885004960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 874281296 (or 874281288 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 53.
The spelling of 139885004960 in words is "one hundred thirty-nine billion, eight hundred eighty-five million, four thousand, nine hundred sixty".
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