Base | Representation |
---|---|
bin | 1101011100000000100… |
… | …1110000101101100010 |
3 | 211001212211021021210100 |
4 | 3113000021300231202 |
5 | 12240243401112403 |
6 | 254015415443230 |
7 | 22451565361521 |
oct | 3270011605542 |
9 | 731784237710 |
10 | 230857050978 |
11 | 899a6872324 |
12 | 388a9686516 |
13 | 18a01120a18 |
14 | b2602a64b8 |
15 | 60124442a3 |
hex | 35c0270b62 |
230857050978 has 48 divisors (see below), whose sum is σ = 524237178816. Its totient is φ = 73282308000.
The previous prime is 230857050971. The next prime is 230857051037. The reversal of 230857050978 is 879050758032.
It is not an unprimeable number, because it can be changed into a prime (230857050971) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1134273 + ... + 1322228.
It is an arithmetic number, because the mean of its divisors is an integer number (10921607892).
Almost surely, 2230857050978 is an apocalyptic number.
230857050978 is an abundant number, since it is smaller than the sum of its proper divisors (293380127838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230857050978 is a wasteful number, since it uses less digits than its factorization.
230857050978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2456759 (or 2456756 counting only the distinct ones).
The product of its (nonzero) digits is 4233600, while the sum is 54.
The spelling of 230857050978 in words is "two hundred thirty billion, eight hundred fifty-seven million, fifty thousand, nine hundred seventy-eight".
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