Base | Representation |
---|---|
bin | 1001001100000100000… |
… | …1001111011110010001 |
3 | 120002110100002010121011 |
4 | 2103001001033132101 |
5 | 10041242412311430 |
6 | 200304002330521 |
7 | 14255563433431 |
oct | 2230101173621 |
9 | 502410063534 |
10 | 157857150865 |
11 | 60a46278967 |
12 | 26716059a41 |
13 | 11b6932845b |
14 | 78d70b22c1 |
15 | 418d7ae22a |
hex | 24c104f791 |
157857150865 has 8 divisors (see below), whose sum is σ = 189557365248. Its totient is φ = 126199864560.
The previous prime is 157857150827. The next prime is 157857150911. The reversal of 157857150865 is 568051758751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157857150865 - 211 = 157857148817 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10723927 + ... + 10738636.
It is an arithmetic number, because the mean of its divisors is an integer number (23694670656).
Almost surely, 2157857150865 is an apocalyptic number.
It is an amenable number.
157857150865 is a deficient number, since it is larger than the sum of its proper divisors (31700214383).
157857150865 is a wasteful number, since it uses less digits than its factorization.
157857150865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21464039.
The product of its (nonzero) digits is 11760000, while the sum is 58.
The spelling of 157857150865 in words is "one hundred fifty-seven billion, eight hundred fifty-seven million, one hundred fifty thousand, eight hundred sixty-five".
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