Base | Representation |
---|---|
bin | 100011101110110010… |
… | …000010001000000000 |
3 | 10200000210002011222220 |
4 | 203232302002020000 |
5 | 1112033123103210 |
6 | 25343000531040 |
7 | 2525512121451 |
oct | 435662021000 |
9 | 120023064886 |
10 | 38365831680 |
11 | 152a856a210 |
12 | 7528780a80 |
13 | 3805645467 |
14 | 1bdd541128 |
15 | ee82d8c70 |
hex | 8eec82200 |
38365831680 has 160 divisors (see below), whose sum is σ = 133801132608. Its totient is φ = 9300787200.
The previous prime is 38365831657. The next prime is 38365831723. The reversal of 38365831680 is 8613856383.
It is a tau number, because it is divible by the number of its divisors (160).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142591 + ... + 311550.
Almost surely, 238365831680 is an apocalyptic number.
38365831680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38365831680 is an abundant number, since it is smaller than the sum of its proper divisors (95435300928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38365831680 is a wasteful number, since it uses less digits than its factorization.
38365831680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454178 (or 454162 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 51.
The spelling of 38365831680 in words is "thirty-eight billion, three hundred sixty-five million, eight hundred thirty-one thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •