Base | Representation |
---|---|
bin | 110111001010010010… |
… | …1111111000001101000 |
3 | 102022202110221021221101 |
4 | 1232110211333001220 |
5 | 3420100004234230 |
6 | 130230214451144 |
7 | 11362322520535 |
oct | 1562445770150 |
9 | 368673837841 |
10 | 118457102440 |
11 | 46267a45376 |
12 | 1ab5b063ab4 |
13 | b22a655731 |
14 | 5a3a477d8c |
15 | 31347d5aca |
hex | 1b9497f068 |
118457102440 has 24 divisors (see below), whose sum is σ = 266533378290. Its totient is φ = 47381970272.
The previous prime is 118457102437. The next prime is 118457102503. The reversal of 118457102440 is 44201754811.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 106611392196 + 11845710244 = 326514^2 + 108838^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 118457102440.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 2149551 + ... + 2203969.
Almost surely, 2118457102440 is an apocalyptic number.
118457102440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
118457102440 is an abundant number, since it is smaller than the sum of its proper divisors (148076275850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118457102440 is an frugal number, since it uses more digits than its factorization.
118457102440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108849 (or 54426 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 37.
The spelling of 118457102440 in words is "one hundred eighteen billion, four hundred fifty-seven million, one hundred two thousand, four hundred forty".
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