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151642668 = 22327674567
BaseRepresentation
bin10010000100111…
…10001000101100
3101120100020122010
421002132020230
5302310031133
623014121220
73520640622
oct1102361054
9346306563
10151642668
1178664421
1242950210
13255557b8
14161d5512
15d4a6263
hex909e22c

151642668 has 24 divisors (see below), whose sum is σ = 354038272. Its totient is φ = 50518224.

The previous prime is 151642651. The next prime is 151642709. The reversal of 151642668 is 866246151.

It is a happy number.

It is a super-3 number, since 3×1516426683 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30921 + ... + 35487.

Almost surely, 2151642668 is an apocalyptic number.

It is an amenable number.

151642668 is an abundant number, since it is smaller than the sum of its proper divisors (202395604).

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

151642668 is a wasteful number, since it uses less digits than its factorization.

151642668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341 (or 7339 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 151642668 is about 12314.3277526627. The cubic root of 151642668 is about 533.2617975234.

The spelling of 151642668 in words is "one hundred fifty-one million, six hundred forty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2767 4567 5534 8301 9134 11068 13701 16602 18268 27402 33204 54804 12636889 25273778 37910667 50547556 75821334 151642668