Base | Representation |
---|---|
bin | 1101011101110110000… |
… | …1010000111111000100 |
3 | 211010011011101002012000 |
4 | 3113131201100333010 |
5 | 12242301014023443 |
6 | 254140340025300 |
7 | 22500030305103 |
oct | 3273541207704 |
9 | 733134332160 |
10 | 231349751748 |
11 | 8a1299a3745 |
12 | 38a06692230 |
13 | 18a7c21b63b |
14 | b2a98bc03a |
15 | 60408198d3 |
hex | 35dd850fc4 |
231349751748 has 48 divisors (see below), whose sum is σ = 599822381760. Its totient is φ = 77113147392.
The previous prime is 231349751707. The next prime is 231349751767. The reversal of 231349751748 is 847157943132.
231349751748 is a `hidden beast` number, since 2 + 3 + 1 + 34 + 97 + 517 + 4 + 8 = 666.
It is a super-2 number, since 2×2313497517482 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 231349751694 and 231349751703.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3865540 + ... + 3924932.
It is an arithmetic number, because the mean of its divisors is an integer number (12496299620).
Almost surely, 2231349751748 is an apocalyptic number.
It is an amenable number.
231349751748 is an abundant number, since it is smaller than the sum of its proper divisors (368472630012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231349751748 is a wasteful number, since it uses less digits than its factorization.
231349751748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95473 (or 95465 counting only the distinct ones).
The product of its digits is 5080320, while the sum is 54.
The spelling of 231349751748 in words is "two hundred thirty-one billion, three hundred forty-nine million, seven hundred fifty-one thousand, seven hundred forty-eight".
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