Base | Representation |
---|---|
bin | 111100100111000000… |
… | …1111010010000001000 |
3 | 110102221221111201022102 |
4 | 1321032001322100020 |
5 | 4113030441024342 |
6 | 135443244412532 |
7 | 12255303646061 |
oct | 1711601722010 |
9 | 412857451272 |
10 | 130158142472 |
11 | 50221972996 |
12 | 21285847148 |
13 | c373894967 |
14 | 642a4b3568 |
15 | 35bbba0832 |
hex | 1e4e07a408 |
130158142472 has 36 divisors (see below), whose sum is σ = 245557732455. Its totient is φ = 64678554816.
The previous prime is 130158142463. The next prime is 130158142493. The reversal of 130158142472 is 274241851031.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 69713953156 + 60444189316 = 264034^2 + 245854^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=255106.
It is a super-2 number, since 2×1301581424722 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 233676818 + ... + 233677374.
Almost surely, 2130158142472 is an apocalyptic number.
It is an amenable number.
130158142472 is a deficient number, since it is larger than the sum of its proper divisors (115399589983).
130158142472 is an frugal number, since it uses more digits than its factorization.
130158142472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1578 (or 788 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The spelling of 130158142472 in words is "one hundred thirty billion, one hundred fifty-eight million, one hundred forty-two thousand, four hundred seventy-two".
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