Base | Representation |
---|---|
bin | 110100011111011001101111… |
… | …001100011011000001100101 |
3 | 1010021101122121111101201012121 |
4 | 310133121233030123001211 |
5 | 220224322310031444042 |
6 | 2134553540245545541 |
7 | 66424551516162421 |
oct | 6437315714330145 |
9 | 1107348544351177 |
10 | 230856357687397 |
11 | 676156a4557852 |
12 | 21a856131152b1 |
13 | 9ba787962b500 |
14 | 4101716183b81 |
15 | 1ba5184c3e367 |
hex | d1f66f31b065 |
230856357687397 has 12 divisors (see below), whose sum is σ = 249981426257760. Its totient is φ = 213097431909648.
The previous prime is 230856357687377. The next prime is 230856357687443. The reversal of 230856357687397 is 793786753658032.
It is not a de Polignac number, because 230856357687397 - 247 = 90118869332069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230856357687317) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49458504 + ... + 53924542.
It is an arithmetic number, because the mean of its divisors is an integer number (20831785521480).
Almost surely, 2230856357687397 is an apocalyptic number.
It is an amenable number.
230856357687397 is a deficient number, since it is larger than the sum of its proper divisors (19125068570363).
230856357687397 is a wasteful number, since it uses less digits than its factorization.
230856357687397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4771932 (or 4771919 counting only the distinct ones).
The product of its (nonzero) digits is 9601804800, while the sum is 79.
The spelling of 230856357687397 in words is "two hundred thirty trillion, eight hundred fifty-six billion, three hundred fifty-seven million, six hundred eighty-seven thousand, three hundred ninety-seven".
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