Base | Representation |
---|---|
bin | 1001001000110100100… |
… | …1001001000000000000 |
3 | 120000012200101001021020 |
4 | 2102031021021000000 |
5 | 10033002110300042 |
6 | 200041352025440 |
7 | 14225164556562 |
oct | 2221511110000 |
9 | 500180331236 |
10 | 156986806272 |
11 | 60639a6110a |
12 | 26512692280 |
13 | 11a5ac15c5a |
14 | 7853675332 |
15 | 413c18e3ec |
hex | 248d249000 |
156986806272 has 416 divisors, whose sum is σ = 479586326400. Its totient is φ = 45355106304.
The previous prime is 156986806259. The next prime is 156986806303. The reversal of 156986806272 is 272608689651.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146853354 + ... + 146854422.
Almost surely, 2156986806272 is an apocalyptic number.
156986806272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 156986806272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239793163200).
156986806272 is an abundant number, since it is smaller than the sum of its proper divisors (322599520128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156986806272 is a wasteful number, since it uses less digits than its factorization.
156986806272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1169 (or 1147 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 60.
The spelling of 156986806272 in words is "one hundred fifty-six billion, nine hundred eighty-six million, eight hundred six thousand, two hundred seventy-two".
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