Base | Representation |
---|---|
bin | 10010101110000… |
… | …11110110110101 |
3 | 101221111110110021 |
4 | 21113003312311 |
5 | 310200240203 |
6 | 23325525141 |
7 | 3614550502 |
oct | 1127036665 |
9 | 357443407 |
10 | 157040053 |
11 | 80710575 |
12 | 447137b1 |
13 | 266c5411 |
14 | 16bdc4a9 |
15 | dbc05bd |
hex | 95c3db5 |
157040053 has 2 divisors, whose sum is σ = 157040054. Its totient is φ = 157040052.
The previous prime is 157040041. The next prime is 157040057. The reversal of 157040053 is 350040751.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 120956004 + 36084049 = 10998^2 + 6007^2 .
It is an emirp because it is prime and its reverse (350040751) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 157040053 - 221 = 154942901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (157040057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78520026 + 78520027.
It is an arithmetic number, because the mean of its divisors is an integer number (78520027).
Almost surely, 2157040053 is an apocalyptic number.
It is an amenable number.
157040053 is a deficient number, since it is larger than the sum of its proper divisors (1).
157040053 is an equidigital number, since it uses as much as digits as its factorization.
157040053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 157040053 is about 12531.5622729171. The cubic root of 157040053 is about 539.5149427980.
The spelling of 157040053 in words is "one hundred fifty-seven million, forty thousand, fifty-three".
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