Base | Representation |
---|---|
bin | 10010101110111… |
… | …00111101011101 |
3 | 101221200200111120 |
4 | 21113130331131 |
5 | 310212033002 |
6 | 23332041153 |
7 | 3615456333 |
oct | 1127347535 |
9 | 357620446 |
10 | 157142877 |
11 | 80780851 |
12 | 447631b9 |
13 | 26730168 |
14 | 16c27b53 |
15 | dbe0cbc |
hex | 95dcf5d |
157142877 has 16 divisors (see below), whose sum is σ = 220766208. Its totient is φ = 99229680.
The previous prime is 157142861. The next prime is 157142879. The reversal of 157142877 is 778241751.
It is not a de Polignac number, because 157142877 - 24 = 157142861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157142879) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3949 + ... + 18162.
It is an arithmetic number, because the mean of its divisors is an integer number (13797888).
Almost surely, 2157142877 is an apocalyptic number.
It is an amenable number.
157142877 is a deficient number, since it is larger than the sum of its proper divisors (63623331).
157142877 is a wasteful number, since it uses less digits than its factorization.
157142877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22240.
The product of its digits is 109760, while the sum is 42.
The square root of 157142877 is about 12535.6642025862. The cubic root of 157142877 is about 539.6326685632.
The spelling of 157142877 in words is "one hundred fifty-seven million, one hundred forty-two thousand, eight hundred seventy-seven".
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