Base | Representation |
---|---|
bin | 10010101110010… |
… | …00111111010101 |
3 | 101221112112021221 |
4 | 21113020333111 |
5 | 310201423302 |
6 | 23330210341 |
7 | 3614666005 |
oct | 1127107725 |
9 | 357475257 |
10 | 157061077 |
11 | 80725348 |
12 | 447239b1 |
13 | 26701b64 |
14 | 16c06005 |
15 | dbc6937 |
hex | 95c8fd5 |
157061077 has 4 divisors (see below), whose sum is σ = 157122720. Its totient is φ = 156999436.
The previous prime is 157061063. The next prime is 157061081. The reversal of 157061077 is 770160751.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 157061077 - 215 = 157028309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157061777) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26827 + ... + 32152.
It is an arithmetic number, because the mean of its divisors is an integer number (39280680).
Almost surely, 2157061077 is an apocalyptic number.
It is an amenable number.
157061077 is a deficient number, since it is larger than the sum of its proper divisors (61643).
157061077 is an equidigital number, since it uses as much as digits as its factorization.
157061077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61642.
The product of its (nonzero) digits is 10290, while the sum is 34.
The square root of 157061077 is about 12532.4010867830. The cubic root of 157061077 is about 539.5390178791.
The spelling of 157061077 in words is "one hundred fifty-seven million, sixty-one thousand, seventy-seven".
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