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158152812 = 22313179401
BaseRepresentation
bin10010110110100…
…11100001101100
3102000120222212120
421123103201230
5310441342222
623405432540
73630163626
oct1133234154
9360528776
10158152812
1181300604
1244b6b750
13269c4a5c
141700bc16
15dd4015c
hex96d386c

158152812 has 12 divisors (see below), whose sum is σ = 369023256. Its totient is φ = 52717600.

The previous prime is 158152739. The next prime is 158152829. The reversal of 158152812 is 218251851.

158152812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6589689 + ... + 6589712.

It is an arithmetic number, because the mean of its divisors is an integer number (30751938).

Almost surely, 2158152812 is an apocalyptic number.

158152812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158152812 is an abundant number, since it is smaller than the sum of its proper divisors (210870444).

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

158152812 is a wasteful number, since it uses less digits than its factorization.

158152812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179408 (or 13179406 counting only the distinct ones).

The product of its digits is 6400, while the sum is 33.

The square root of 158152812 is about 12575.8821559364. The cubic root of 158152812 is about 540.7862483446.

The spelling of 158152812 in words is "one hundred fifty-eight million, one hundred fifty-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 13179401 26358802 39538203 52717604 79076406 158152812