Base | Representation |
---|---|
bin | 111111100000110… |
… | …1100000010110000 |
3 | 12111112010120210120 |
4 | 1333001230002300 |
5 | 13331033231401 |
6 | 551245530240 |
7 | 103545316215 |
oct | 17701540260 |
9 | 5445116716 |
10 | 2131148976 |
11 | 9a3a83850 |
12 | 4b5873980 |
13 | 27c6a5ac8 |
14 | 163077b0c |
15 | c716b836 |
hex | 7f06c0b0 |
2131148976 has 80 divisors (see below), whose sum is σ = 6068028288. Its totient is φ = 639129600.
The previous prime is 2131148969. The next prime is 2131149011. The reversal of 2131148976 is 6798411312.
It is a happy number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30411 + ... + 72021.
Almost surely, 22131148976 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2131148976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3034014144).
2131148976 is an abundant number, since it is smaller than the sum of its proper divisors (3936879312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131148976 is a wasteful number, since it uses less digits than its factorization.
2131148976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41730 (or 41724 counting only the distinct ones).
The product of its digits is 72576, while the sum is 42.
The square root of 2131148976 is about 46164.3691173182. The cubic root of 2131148976 is about 1286.8796598841.
The spelling of 2131148976 in words is "two billion, one hundred thirty-one million, one hundred forty-eight thousand, nine hundred seventy-six".
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