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158680017 = 3217631113
BaseRepresentation
bin10010111010101…
…00001111010001
3102001120210001200
421131110033101
5311110230032
623425021413
73634520646
oct1135241721
9361523050
10158680017
1181630711
1245184869
1326b4aa02
1417107dcd
15dde647c
hex97543d1

158680017 has 6 divisors (see below), whose sum is σ = 229204482. Its totient is φ = 105786672.

The previous prime is 158680009. The next prime is 158680021. The reversal of 158680017 is 710086851.

158680017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155525841 + 3154176 = 12471^2 + 1776^2 .

It is not a de Polignac number, because 158680017 - 23 = 158680009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158680097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8815548 + ... + 8815565.

It is an arithmetic number, because the mean of its divisors is an integer number (38200747).

Almost surely, 2158680017 is an apocalyptic number.

It is an amenable number.

158680017 is a deficient number, since it is larger than the sum of its proper divisors (70524465).

158680017 is a wasteful number, since it uses less digits than its factorization.

158680017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17631119 (or 17631116 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 158680017 is about 12596.8256715730. The cubic root of 158680017 is about 541.3864884856.

The spelling of 158680017 in words is "one hundred fifty-eight million, six hundred eighty thousand, seventeen".

Divisors: 1 3 9 17631113 52893339 158680017