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154161012 = 22312846751
BaseRepresentation
bin10010011000001…
…00111101110100
3101202002012011010
421030010331310
5303431123022
623144112220
73551230005
oct1114047564
9352065133
10154161012
117a0244a5
1243765670
1325c27b45
141668d1ac
15d80250c
hex9304f74

154161012 has 12 divisors (see below), whose sum is σ = 359709056. Its totient is φ = 51387000.

The previous prime is 154161001. The next prime is 154161017. The reversal of 154161012 is 210161451.

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

It is a self number, because there is not a number n which added to its sum of digits gives 154161012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154161017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6423364 + ... + 6423387.

Almost surely, 2154161012 is an apocalyptic number.

154161012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154161012 is an abundant number, since it is smaller than the sum of its proper divisors (205548044).

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

154161012 is a wasteful number, since it uses less digits than its factorization.

154161012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846758 (or 12846756 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 154161012 is about 12416.1593095450. The cubic root of 154161012 is about 536.1975816097.

The spelling of 154161012 in words is "one hundred fifty-four million, one hundred sixty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 12846751 25693502 38540253 51387004 77080506 154161012