Base | Representation |
---|---|
bin | 10010010010111001000011… |
… | …00001110111010010000100 |
3 | 12021110002120212212220101100 |
4 | 21021130201201313102010 |
5 | 20233123123410440243 |
6 | 221322034454500100 |
7 | 11321426412465660 |
oct | 1111344141672204 |
9 | 167402525786340 |
10 | 40231521186948 |
11 | 119011019705a3 |
12 | 461917b064630 |
13 | 195aa7c17b740 |
14 | 9d1304a618a0 |
15 | 49b7aa5ec0d3 |
hex | 249721877484 |
40231521186948 has 144 divisors (see below), whose sum is σ = 125167556550400. Its totient is φ = 10610271689472.
The previous prime is 40231521186947. The next prime is 40231521186973. The reversal of 40231521186948 is 84968112513204.
40231521186948 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 1 + 521 + 18 + 69 + 48 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 40231521186894 and 40231521186903.
It is not an unprimeable number, because it can be changed into a prime (40231521186943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181376286 + ... + 181597962.
Almost surely, 240231521186948 is an apocalyptic number.
It is an amenable number.
40231521186948 is an abundant number, since it is smaller than the sum of its proper divisors (84936035363452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40231521186948 is a wasteful number, since it uses less digits than its factorization.
40231521186948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277106 (or 277101 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 54.
The spelling of 40231521186948 in words is "forty trillion, two hundred thirty-one billion, five hundred twenty-one million, one hundred eighty-six thousand, nine hundred forty-eight".
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