Base | Representation |
---|---|
bin | 10011001101100001000000… |
… | …10110010011000111010111 |
3 | 12112120122220022001122121000 |
4 | 21212300200112103013113 |
5 | 21014123440301233311 |
6 | 225503245455554343 |
7 | 11620106215646202 |
oct | 1146604026230727 |
9 | 175518808048530 |
10 | 42245841039831 |
11 | 125083a6a13840 |
12 | 48a363a82b9b3 |
13 | 1a759c5380c30 |
14 | a609d1288939 |
15 | 4d3da083e056 |
hex | 266c205931d7 |
42245841039831 has 512 divisors, whose sum is σ = 79668789903360. Its totient is φ = 21768159283200.
The previous prime is 42245841039821. The next prime is 42245841039877. The reversal of 42245841039831 is 13893014854224.
It is a happy number.
42245841039831 is a `hidden beast` number, since 4 + 2 + 2 + 458 + 4 + 103 + 9 + 83 + 1 = 666.
It is not a de Polignac number, because 42245841039831 - 25 = 42245841039799 is a prime.
It is a super-2 number, since 2×422458410398312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42245841039821) by changing a digit.
It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 51331519686 + ... + 51331520508.
It is an arithmetic number, because the mean of its divisors is an integer number (155603105280).
Almost surely, 242245841039831 is an apocalyptic number.
42245841039831 is a deficient number, since it is larger than the sum of its proper divisors (37422948863529).
42245841039831 is a wasteful number, since it uses less digits than its factorization.
42245841039831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1164 (or 1158 counting only the distinct ones).
The product of its (nonzero) digits is 6635520, while the sum is 54.
The spelling of 42245841039831 in words is "forty-two trillion, two hundred forty-five billion, eight hundred forty-one million, thirty-nine thousand, eight hundred thirty-one".
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