Base | Representation |
---|---|
bin | 110101011101011000… |
… | …100111100111101000 |
3 | 12111011101200122210022 |
4 | 311131120213213220 |
5 | 1420024213402142 |
6 | 42211513140012 |
7 | 4101313040030 |
oct | 653530474750 |
9 | 174141618708 |
10 | 57401309672 |
11 | 223865a7603 |
12 | b15b6ba608 |
13 | 554a2553c5 |
14 | 2ac76b28c0 |
15 | 175e5306d2 |
hex | d5d6279e8 |
57401309672 has 16 divisors (see below), whose sum is σ = 123002806560. Its totient is φ = 24600561264.
The previous prime is 57401309657. The next prime is 57401309677. The reversal of 57401309672 is 27690310475.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (57401309677) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512511638 + ... + 512511749.
It is an arithmetic number, because the mean of its divisors is an integer number (7687675410).
Almost surely, 257401309672 is an apocalyptic number.
It is an amenable number.
57401309672 is an abundant number, since it is smaller than the sum of its proper divisors (65601496888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57401309672 is a wasteful number, since it uses less digits than its factorization.
57401309672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1025023400 (or 1025023396 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 44.
The spelling of 57401309672 in words is "fifty-seven billion, four hundred one million, three hundred nine thousand, six hundred seventy-two".
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