Base | Representation |
---|---|
bin | 100100101011010… |
… | …0100100001111000 |
3 | 10011202200200022111 |
4 | 1021112210201320 |
5 | 10010021403220 |
6 | 322041102104 |
7 | 42332245153 |
oct | 11126444170 |
9 | 3152620274 |
10 | 1230653560 |
11 | 581743264 |
12 | 2a4187934 |
13 | 167c67a96 |
14 | b962cc9a |
15 | 7309315a |
hex | 495a4878 |
1230653560 has 32 divisors (see below), whose sum is σ = 2914707600. Its totient is φ = 466352640.
The previous prime is 1230653539. The next prime is 1230653573. The reversal of 1230653560 is 653560321.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808881 + ... + 810400.
Almost surely, 21230653560 is an apocalyptic number.
1230653560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230653560 is an abundant number, since it is smaller than the sum of its proper divisors (1684054040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230653560 is a wasteful number, since it uses less digits than its factorization.
1230653560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1619311 (or 1619307 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 31.
The square root of 1230653560 is about 35080.6721714394. The cubic root of 1230653560 is about 1071.6310060503.
The spelling of 1230653560 in words is "one billion, two hundred thirty million, six hundred fifty-three thousand, five hundred sixty".
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