Base | Representation |
---|---|
bin | 1001001001010100110… |
… | …0111011001110111001 |
3 | 120000120002210102101210 |
4 | 2102111030323032321 |
5 | 10033241214004220 |
6 | 200103022033333 |
7 | 14231426046561 |
oct | 2222514731671 |
9 | 500502712353 |
10 | 157122016185 |
11 | 606a9311342 |
12 | 2654ba18849 |
13 | 11a7cc36c14 |
14 | 78675cdda1 |
15 | 4148e9b6e0 |
hex | 249533b3b9 |
157122016185 has 64 divisors (see below), whose sum is σ = 260649031680. Its totient is φ = 80738672640.
The previous prime is 157122016171. The next prime is 157122016201. The reversal of 157122016185 is 581610221751.
It is not a de Polignac number, because 157122016185 - 24 = 157122016169 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 169129801 + ... + 169130729.
It is an arithmetic number, because the mean of its divisors is an integer number (4072641120).
Almost surely, 2157122016185 is an apocalyptic number.
157122016185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
157122016185 is a deficient number, since it is larger than the sum of its proper divisors (103527015495).
157122016185 is a wasteful number, since it uses less digits than its factorization.
157122016185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2178.
The product of its (nonzero) digits is 33600, while the sum is 39.
The spelling of 157122016185 in words is "one hundred fifty-seven billion, one hundred twenty-two million, sixteen thousand, one hundred eighty-five".
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