Base | Representation |
---|---|
bin | 100101111010101001… |
… | …011100100010000000 |
3 | 10220002022112201221100 |
4 | 211322221130202000 |
5 | 1131334333001114 |
6 | 30411503454400 |
7 | 2640614416602 |
oct | 457251344200 |
9 | 126068481840 |
10 | 40712390784 |
11 | 162a20a085a |
12 | 7a825b7400 |
13 | 3aba83c780 |
14 | 1d8304d172 |
15 | 10d4305909 |
hex | 97aa5c880 |
40712390784 has 96 divisors (see below), whose sum is σ = 126166049100. Its totient is φ = 12526884864.
The previous prime is 40712390783. The next prime is 40712390813. The reversal of 40712390784 is 48709321704.
40712390784 is a `hidden beast` number, since 407 + 1 + 239 + 0 + 7 + 8 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 40594190400 + 118200384 = 201480^2 + 10872^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (40712390783) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344279 + ... + 1374230.
Almost surely, 240712390784 is an apocalyptic number.
It is an amenable number.
40712390784 is an abundant number, since it is smaller than the sum of its proper divisors (85453658316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40712390784 is a wasteful number, since it uses less digits than its factorization.
40712390784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2718542 (or 2718527 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The spelling of 40712390784 in words is "forty billion, seven hundred twelve million, three hundred ninety thousand, seven hundred eighty-four".
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