Base | Representation |
---|---|
bin | 1011000001000010… |
… | …1010010100101000 |
3 | 21122002102011201020 |
4 | 2300100222110220 |
5 | 22024013021142 |
6 | 1205234052440 |
7 | 133165265640 |
oct | 26020522450 |
9 | 7562364636 |
10 | 2957157672 |
11 | 1288269367 |
12 | 6a641a120 |
13 | 381864051 |
14 | 200a53520 |
15 | 12492ecec |
hex | b042a528 |
2957157672 has 64 divisors (see below), whose sum is σ = 8472729600. Its totient is φ = 842531520.
The previous prime is 2957157661. The next prime is 2957157751. The reversal of 2957157672 is 2767517592.
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 15 ways as a sum of consecutive naturals, for example, 35797 + ... + 84827.
It is an arithmetic number, because the mean of its divisors is an integer number (132386400).
Almost surely, 22957157672 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 2957157672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4236364800).
2957157672 is an abundant number, since it is smaller than the sum of its proper divisors (5515571928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2957157672 is a wasteful number, since it uses less digits than its factorization.
2957157672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49406 (or 49402 counting only the distinct ones).
The product of its digits is 1852200, while the sum is 51.
The square root of 2957157672 is about 54379.7542473300. The cubic root of 2957157672 is about 1435.3511460436.
The spelling of 2957157672 in words is "two billion, nine hundred fifty-seven million, one hundred fifty-seven thousand, six hundred seventy-two".
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