Base | Representation |
---|---|
bin | 1101011001010000111… |
… | …0010000001110101000 |
3 | 210222222110102210122110 |
4 | 3112110032100032220 |
5 | 12232241211444034 |
6 | 253414330522320 |
7 | 22424405663613 |
oct | 3262416201650 |
9 | 728873383573 |
10 | 230120031144 |
11 | 89658838423 |
12 | 387228963a0 |
13 | 1891451c403 |
14 | b1d045317a |
15 | 5ebc8acde9 |
hex | 35943903a8 |
230120031144 has 16 divisors (see below), whose sum is σ = 575300077920. Its totient is φ = 76706677040.
The previous prime is 230120031139. The next prime is 230120031187. The reversal of 230120031144 is 441130021032.
It is a self number, because there is not a number n which added to its sum of digits gives 230120031144.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4794167292 + ... + 4794167339.
It is an arithmetic number, because the mean of its divisors is an integer number (35956254870).
Almost surely, 2230120031144 is an apocalyptic number.
230120031144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
230120031144 is an abundant number, since it is smaller than the sum of its proper divisors (345180046776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230120031144 is a wasteful number, since it uses less digits than its factorization.
230120031144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9588334640 (or 9588334636 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 230120031144 its reverse (441130021032), we get a palindrome (671250052176).
The spelling of 230120031144 in words is "two hundred thirty billion, one hundred twenty million, thirty-one thousand, one hundred forty-four".
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