Base | Representation |
---|---|
bin | 1001001001010111000… |
… | …1110010001011100011 |
3 | 120000120202222022111220 |
4 | 2102111301302023203 |
5 | 10033301202202220 |
6 | 200104005110123 |
7 | 14231604141444 |
oct | 2222561621343 |
9 | 500522868456 |
10 | 157131678435 |
11 | 60703810776 |
12 | 265530b8343 |
13 | 11a81c3ab24 |
14 | 78689c72cb |
15 | 4149c59540 |
hex | 2495c722e3 |
157131678435 has 16 divisors (see below), whose sum is σ = 251922735360. Its totient is φ = 83632878560.
The previous prime is 157131678409. The next prime is 157131678491. The reversal of 157131678435 is 534876131751.
It is not a de Polignac number, because 157131678435 - 26 = 157131678371 is a prime.
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, 10660095 + ... + 10674824.
It is an arithmetic number, because the mean of its divisors is an integer number (15745170960).
Almost surely, 2157131678435 is an apocalyptic number.
157131678435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
157131678435 is a deficient number, since it is larger than the sum of its proper divisors (94791056925).
157131678435 is a wasteful number, since it uses less digits than its factorization.
157131678435 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21335418.
The product of its digits is 2116800, while the sum is 51.
The spelling of 157131678435 in words is "one hundred fifty-seven billion, one hundred thirty-one million, six hundred seventy-eight thousand, four hundred thirty-five".
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