Base | Representation |
---|---|
bin | 10010110101000… |
… | …00000100101111 |
3 | 102000012021210001 |
4 | 21122200010233 |
5 | 310413121223 |
6 | 23401125131 |
7 | 3625325326 |
oct | 1132400457 |
9 | 360167701 |
10 | 157942063 |
11 | 81177234 |
12 | 44a897a7 |
13 | 2694cb56 |
14 | 16d950bd |
15 | dcec9ad |
hex | 96a012f |
157942063 has 2 divisors, whose sum is σ = 157942064. Its totient is φ = 157942062.
The previous prime is 157942061. The next prime is 157942123. The reversal of 157942063 is 360249751.
It is a weak prime.
It is an emirp because it is prime and its reverse (360249751) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 157942063 - 21 = 157942061 is a prime.
Together with 157942061, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (157942061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78971031 + 78971032.
It is an arithmetic number, because the mean of its divisors is an integer number (78971032).
Almost surely, 2157942063 is an apocalyptic number.
157942063 is a deficient number, since it is larger than the sum of its proper divisors (1).
157942063 is an equidigital number, since it uses as much as digits as its factorization.
157942063 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 157942063 is about 12567.5002685498. The cubic root of 157942063 is about 540.5459305124.
The spelling of 157942063 in words is "one hundred fifty-seven million, nine hundred forty-two thousand, sixty-three".
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