Base | Representation |
---|---|
bin | 100011001001001110… |
… | …0101010110011001000 |
3 | 21012210201211000210201 |
4 | 1012102130222303020 |
5 | 2214031141323104 |
6 | 54400542421544 |
7 | 5311152411040 |
oct | 1062234526310 |
9 | 235721730721 |
10 | 75471432904 |
11 | 2a00972464a |
12 | 127632918b4 |
13 | 7169b6860a |
14 | 391d554720 |
15 | 1e6ab3b0a4 |
hex | 119272acc8 |
75471432904 has 64 divisors (see below), whose sum is σ = 169493587200. Its totient is φ = 30803376384.
The previous prime is 75471432821. The next prime is 75471432917. The reversal of 75471432904 is 40923417457.
It is a Harshad number since it is a multiple of its sum of digits (46).
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, 167014 + ... + 422890.
It is an arithmetic number, because the mean of its divisors is an integer number (2648337300).
Almost surely, 275471432904 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 75471432904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84746793600).
75471432904 is an abundant number, since it is smaller than the sum of its proper divisors (94022154296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75471432904 is a wasteful number, since it uses less digits than its factorization.
75471432904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256142 (or 256138 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 46.
The spelling of 75471432904 in words is "seventy-five billion, four hundred seventy-one million, four hundred thirty-two thousand, nine hundred four".
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