Base | Representation |
---|---|
bin | 10001100111101111010111… |
… | …11001011000001100011101 |
3 | 12002012100120111220001201000 |
4 | 20303313223321120030131 |
5 | 20034330130030224120 |
6 | 214224551321540513 |
7 | 11106340546465056 |
oct | 1063675371301435 |
9 | 162170514801630 |
10 | 38748857664285 |
11 | 1138a330a7522a |
12 | 4419956044739 |
13 | 1881003688662 |
14 | 97d651a6172d |
15 | 472e30241990 |
hex | 233debe5831d |
38748857664285 has 64 divisors (see below), whose sum is σ = 71954134387200. Its totient is φ = 19759711878144.
The previous prime is 38748857664271. The next prime is 38748857664287. The reversal of 38748857664285 is 58246675884783.
38748857664285 is a `hidden beast` number, since 3 + 8 + 7 + 4 + 88 + 57 + 66 + 428 + 5 = 666.
It is not a de Polignac number, because 38748857664285 - 212 = 38748857660189 is a prime.
It is a super-2 number, since 2×387488576642852 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38748857664287) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47643052 + ... + 48449541.
It is an arithmetic number, because the mean of its divisors is an integer number (1124283349800).
Almost surely, 238748857664285 is an apocalyptic number.
It is an amenable number.
38748857664285 is a deficient number, since it is larger than the sum of its proper divisors (33205276722915).
38748857664285 is a wasteful number, since it uses less digits than its factorization.
38748857664285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96092739 (or 96092733 counting only the distinct ones).
The product of its digits is 17340825600, while the sum is 81.
The spelling of 38748857664285 in words is "thirty-eight trillion, seven hundred forty-eight billion, eight hundred fifty-seven million, six hundred sixty-four thousand, two hundred eighty-five".
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