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151211052 = 22324200307
BaseRepresentation
bin10010000001101…
…00110000101100
3101112112022120100
421000310300230
5302202223202
623000551100
73514162356
oct1100646054
9345468510
10151211052
117839a113
1242782490
13254341c5
14161220d6
15d41d41c
hex9034c2c

151211052 has 18 divisors (see below), whose sum is σ = 382228028. Its totient is φ = 50403672.

The previous prime is 151211051. The next prime is 151211059. The reversal of 151211052 is 250112151.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×1512110523 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (151211051) 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, 2100118 + ... + 2100189.

Almost surely, 2151211052 is an apocalyptic number.

151211052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151211052 is an abundant number, since it is smaller than the sum of its proper divisors (231016976).

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

151211052 is a wasteful number, since it uses less digits than its factorization.

151211052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200317 (or 4200312 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 151211052 is about 12296.7903129231. The cubic root of 151211052 is about 532.7553810402.

The spelling of 151211052 in words is "one hundred fifty-one million, two hundred eleven thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 4200307 8400614 12600921 16801228 25201842 37802763 50403684 75605526 151211052