Base | Representation |
---|---|
bin | 10010101110010… |
… | …10001000111101 |
3 | 101221112202202110 |
4 | 21113022020331 |
5 | 310202101124 |
6 | 23330244233 |
7 | 3615015516 |
oct | 1127121075 |
9 | 357482673 |
10 | 157065789 |
11 | 80728941 |
12 | 44726679 |
13 | 2670404a |
14 | 16c07a0d |
15 | dbc8029 |
hex | 95ca23d |
157065789 has 16 divisors (see below), whose sum is σ = 213579584. Its totient is φ = 102643200.
The previous prime is 157065767. The next prime is 157065803. The reversal of 157065789 is 987560751.
157065789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157065789 - 25 = 157065757 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 (157065719) 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, 59277 + ... + 61869.
It is an arithmetic number, because the mean of its divisors is an integer number (13348724).
Almost surely, 2157065789 is an apocalyptic number.
It is an amenable number.
157065789 is a deficient number, since it is larger than the sum of its proper divisors (56513795).
157065789 is a wasteful number, since it uses less digits than its factorization.
157065789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2988.
The product of its (nonzero) digits is 529200, while the sum is 48.
The square root of 157065789 is about 12532.5890780796. The cubic root of 157065789 is about 539.5444134073.
The spelling of 157065789 in words is "one hundred fifty-seven million, sixty-five thousand, seven hundred eighty-nine".
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