Base | Representation |
---|---|
bin | 11101111001110111101110… |
… | …000110111100011001001100 |
3 | 122020200012121001121210200202 |
4 | 131321313232012330121030 |
5 | 114214311321210242320 |
6 | 1143415312422313032 |
7 | 36463006605505223 |
oct | 3571675606743114 |
9 | 566605531553622 |
10 | 131520188368460 |
11 | 389a7442678651 |
12 | 129015b0b88778 |
13 | 58503ba3ba338 |
14 | 246987ab45cba |
15 | 103121debbb75 |
hex | 779dee1bc64c |
131520188368460 has 48 divisors (see below), whose sum is σ = 283117413075840. Its totient is φ = 51297346487040.
The previous prime is 131520188368411. The next prime is 131520188368489. The reversal of 131520188368460 is 64863881025131.
It is a junction number, because it is equal to n+sod(n) for n = 131520188368396 and 131520188368405.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259812371 + ... + 260318090.
It is an arithmetic number, because the mean of its divisors is an integer number (5898279439080).
Almost surely, 2131520188368460 is an apocalyptic number.
131520188368460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131520188368460 is an abundant number, since it is smaller than the sum of its proper divisors (151597224707380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131520188368460 is a wasteful number, since it uses less digits than its factorization.
131520188368460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520130786 (or 520130784 counting only the distinct ones).
The product of its (nonzero) digits is 6635520, while the sum is 56.
The spelling of 131520188368460 in words is "one hundred thirty-one trillion, five hundred twenty billion, one hundred eighty-eight million, three hundred sixty-eight thousand, four hundred sixty".
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