Base | Representation |
---|---|
bin | 10001100101101101000001… |
… | …11100001110101011110110 |
3 | 12001221122221200210002211200 |
4 | 20302312200330032223312 |
5 | 20032203321421100310 |
6 | 214132455451313330 |
7 | 11101312501564140 |
oct | 1062664074165366 |
9 | 161848850702750 |
10 | 38678880643830 |
11 | 11362691849019 |
12 | 4408286a4b846 |
13 | 1877530c2868b |
14 | 97a0d410bc90 |
15 | 4711d6b6e9c0 |
hex | 232da0f0eaf6 |
38678880643830 has 96 divisors (see below), whose sum is σ = 114988914503424. Its totient is φ = 8836472893248.
The previous prime is 38678880643829. The next prime is 38678880643853. The reversal of 38678880643830 is 3834608887683.
38678880643830 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 88 + 80 + 6 + 438 + 30 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14063884 + ... + 16587663.
It is an arithmetic number, because the mean of its divisors is an integer number (1197801192744).
Almost surely, 238678880643830 is an apocalyptic number.
38678880643830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38678880643830 is an abundant number, since it is smaller than the sum of its proper divisors (76310033859594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38678880643830 is a wasteful number, since it uses less digits than its factorization.
38678880643830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30653570 (or 30653567 counting only the distinct ones).
The product of its (nonzero) digits is 891813888, while the sum is 72.
The spelling of 38678880643830 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred eighty million, six hundred forty-three thousand, eight hundred thirty".
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