Base | Representation |
---|---|
bin | 10010000000000… |
… | …11101101111100 |
3 | 101112011010000100 |
4 | 21000003231330 |
5 | 302124311142 |
6 | 22552401100 |
7 | 3512364615 |
oct | 1100035574 |
9 | 345133010 |
10 | 151010172 |
11 | 782721a5 |
12 | 426a6190 |
13 | 25393941 |
14 | 160acc0c |
15 | d3cdb4c |
hex | 9003b7c |
151010172 has 36 divisors (see below), whose sum is σ = 392040376. Its totient is φ = 48975840.
The previous prime is 151010141. The next prime is 151010177. The reversal of 151010172 is 271010151.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151010177) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55354 + ... + 58017.
Almost surely, 2151010172 is an apocalyptic number.
151010172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
151010172 is an abundant number, since it is smaller than the sum of its proper divisors (241030204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151010172 is a wasteful number, since it uses less digits than its factorization.
151010172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113418 (or 113413 counting only the distinct ones).
The product of its (nonzero) digits is 70, while the sum is 18.
The square root of 151010172 is about 12288.6196132845. The cubic root of 151010172 is about 532.5193592115.
The spelling of 151010172 in words is "one hundred fifty-one million, ten thousand, one hundred seventy-two".
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