Base | Representation |
---|---|
bin | 1001001010100110011… |
… | …1101101011101101011 |
3 | 120001102222101120100101 |
4 | 2102221213231131223 |
5 | 10034441413110440 |
6 | 200201020250231 |
7 | 14243055601660 |
oct | 2225147553553 |
9 | 501388346311 |
10 | 157464581995 |
11 | 60864719086 |
12 | 266266a0977 |
13 | 11b05bb9396 |
14 | 789acc3a67 |
15 | 41690b769a |
hex | 24a99ed76b |
157464581995 has 16 divisors (see below), whose sum is σ = 222917603328. Its totient is φ = 104492625120.
The previous prime is 157464581993. The next prime is 157464581999. The reversal of 157464581995 is 599185464751.
It is not a de Polignac number, because 157464581995 - 21 = 157464581993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (157464581993) 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, 72563239 + ... + 72565408.
It is an arithmetic number, because the mean of its divisors is an integer number (13932350208).
Almost surely, 2157464581995 is an apocalyptic number.
157464581995 is a deficient number, since it is larger than the sum of its proper divisors (65453021333).
157464581995 is a wasteful number, since it uses less digits than its factorization.
157464581995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145128690.
The product of its digits is 54432000, while the sum is 64.
The spelling of 157464581995 in words is "one hundred fifty-seven billion, four hundred sixty-four million, five hundred eighty-one thousand, nine hundred ninety-five".
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