Base | Representation |
---|---|
bin | 100101111111100000… |
… | …111110011001100010 |
3 | 10220022000012202221201 |
4 | 211333200332121202 |
5 | 1132021234300130 |
6 | 30423542111414 |
7 | 2642625520501 |
oct | 457740763142 |
9 | 126260182851 |
10 | 40794056290 |
11 | 163341aa309 |
12 | 7aa5a1b56a |
13 | 3b01733c60 |
14 | 1d8dc2a838 |
15 | 10db587bca |
hex | 97f83e662 |
40794056290 has 32 divisors (see below), whose sum is σ = 83729343600. Its totient is φ = 14176395264.
The previous prime is 40794056279. The next prime is 40794056291. The reversal of 40794056290 is 9265049704.
It can be written as a sum of positive squares in 8 ways, for example, as 19360217881 + 21433838409 = 139141^2 + 146403^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 40794056290.
It is not an unprimeable number, because it can be changed into a prime (40794056291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9227215 + ... + 9231634.
Almost surely, 240794056290 is an apocalyptic number.
40794056290 is an abundant number, since it is smaller than the sum of its proper divisors (42935287310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40794056290 is a wasteful number, since it uses less digits than its factorization.
40794056290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18458886.
The product of its (nonzero) digits is 544320, while the sum is 46.
The spelling of 40794056290 in words is "forty billion, seven hundred ninety-four million, fifty-six thousand, two hundred ninety".
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