Base | Representation |
---|---|
bin | 10010101110111… |
… | …01001001110000 |
3 | 101221200201120201 |
4 | 21113131021300 |
5 | 310212044124 |
6 | 23332044544 |
7 | 3615461536 |
oct | 1127351160 |
9 | 357621521 |
10 | 157143664 |
11 | 807813a7 |
12 | 44763754 |
13 | 26730622 |
14 | 16c28156 |
15 | dbe1144 |
hex | 95dd270 |
157143664 has 20 divisors (see below), whose sum is σ = 304692304. Its totient is φ = 78513408.
The previous prime is 157143653. The next prime is 157143671. The reversal of 157143664 is 466341751.
157143664 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1571436642 = 49388262270689792, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25669 + ... + 31195.
Almost surely, 2157143664 is an apocalyptic number.
It is an amenable number.
157143664 is a deficient number, since it is larger than the sum of its proper divisors (147548640).
157143664 is a wasteful number, since it uses less digits than its factorization.
157143664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7312 (or 7306 counting only the distinct ones).
The product of its digits is 60480, while the sum is 37.
The square root of 157143664 is about 12535.6955929857. The cubic root of 157143664 is about 539.6335694211.
The spelling of 157143664 in words is "one hundred fifty-seven million, one hundred forty-three thousand, six hundred sixty-four".
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