Base | Representation |
---|---|
bin | 1011010000110101110… |
… | …10111010001011000000 |
3 | 1100222220121100020201000 |
4 | 11220122322322023000 |
5 | 22320033132110010 |
6 | 453441301212000 |
7 | 36650121506232 |
oct | 5503272721300 |
9 | 1328817306630 |
10 | 386998706880 |
11 | 13a141754455 |
12 | 63005101000 |
13 | 2a655c05ba6 |
14 | 14a335bc252 |
15 | a1002dd7c0 |
hex | 5a1aeba2c0 |
386998706880 has 448 divisors, whose sum is σ = 1401592320000. Its totient is φ = 100475375616.
The previous prime is 386998706879. The next prime is 386998706921. The reversal of 386998706880 is 88607899683.
386998706880 is a `hidden beast` number, since 386 + 99 + 87 + 0 + 6 + 8 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 386998706799 and 386998706808.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80807526 + ... + 80812314.
Almost surely, 2386998706880 is an apocalyptic number.
386998706880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 386998706880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700796160000).
386998706880 is an abundant number, since it is smaller than the sum of its proper divisors (1014593613120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386998706880 is a wasteful number, since it uses less digits than its factorization.
386998706880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5061 (or 5045 counting only the distinct ones).
The product of its (nonzero) digits is 250822656, while the sum is 72.
The spelling of 386998706880 in words is "three hundred eighty-six billion, nine hundred ninety-eight million, seven hundred six thousand, eight hundred eighty".
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