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151057212 = 22312588101
BaseRepresentation
bin10010000000011…
…11001100111100
3101112020111112120
421000033030330
5302132312322
622553402540
73512652015
oct1100171474
9345214476
10151057212
11782a4579
1242709450
13253ac187
14160c200c
15d3dca5c
hex900f33c

151057212 has 12 divisors (see below), whose sum is σ = 352466856. Its totient is φ = 50352400.

The previous prime is 151057187. The next prime is 151057213. The reversal of 151057212 is 212750151.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151057213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6294039 + ... + 6294062.

It is an arithmetic number, because the mean of its divisors is an integer number (29372238).

Almost surely, 2151057212 is an apocalyptic number.

151057212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151057212 is an abundant number, since it is smaller than the sum of its proper divisors (201409644).

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

151057212 is a wasteful number, since it uses less digits than its factorization.

151057212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588108 (or 12588106 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 151057212 is about 12290.5334302462. The cubic root of 151057212 is about 532.5746471209.

The spelling of 151057212 in words is "one hundred fifty-one million, fifty-seven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 12588101 25176202 37764303 50352404 75528606 151057212