Base | Representation |
---|---|
bin | 1101011110011011001… |
… | …1110010000001101100 |
3 | 211010120000122000122110 |
4 | 3113212303302001230 |
5 | 12243110413204440 |
6 | 254204024244020 |
7 | 22503632065020 |
oct | 3274663620154 |
9 | 733500560573 |
10 | 231505600620 |
11 | 8a1a9970268 |
12 | 38a4a910610 |
13 | 18aa55b77c8 |
14 | b2c248a380 |
15 | 604e352080 |
hex | 35e6cf206c |
231505600620 has 96 divisors (see below), whose sum is σ = 741181529088. Its totient is φ = 52889594112.
The previous prime is 231505600597. The next prime is 231505600657. The reversal of 231505600620 is 26006505132.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728017 + ... + 996503.
It is an arithmetic number, because the mean of its divisors is an integer number (7720640928).
Almost surely, 2231505600620 is an apocalyptic number.
231505600620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231505600620 is an abundant number, since it is smaller than the sum of its proper divisors (509675928468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231505600620 is a wasteful number, since it uses less digits than its factorization.
231505600620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270559 (or 270557 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
The spelling of 231505600620 in words is "two hundred thirty-one billion, five hundred five million, six hundred thousand, six hundred twenty".
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