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158112864 = 25337132011
BaseRepresentation
bin10010110110010…
…01110001100000
3102000111222002000
421123021301200
5310434102424
623404524000
73626636310
oct1133116140
9360458060
10158112864
1181283598
1244b50600
13269ac810
1416ddb440
15dd333c9
hex96c9c60

158112864 has 192 divisors, whose sum is σ = 567866880. Its totient is φ = 41679360.

The previous prime is 158112859. The next prime is 158112947. The reversal of 158112864 is 468211851.

158112864 is a `hidden beast` number, since 1 + 581 + 12 + 8 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77619 + ... + 79629.

It is an arithmetic number, because the mean of its divisors is an integer number (2957640).

Almost surely, 2158112864 is an apocalyptic number.

158112864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158112864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283933440).

158112864 is an abundant number, since it is smaller than the sum of its proper divisors (409754016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158112864 is a wasteful number, since it uses less digits than its factorization.

158112864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2036 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 158112864 is about 12574.2937773857. The cubic root of 158112864 is about 540.7407119043.

The spelling of 158112864 in words is "one hundred fifty-eight million, one hundred twelve thousand, eight hundred sixty-four".