Base | Representation |
---|---|
bin | 100100010100010100… |
… | …001011111001000000 |
3 | 10201122122222202120100 |
4 | 210110110023321000 |
5 | 1114330324312233 |
6 | 25525253442400 |
7 | 2550226430364 |
oct | 442424137100 |
9 | 121578882510 |
10 | 38995541568 |
11 | 155a0a6a605 |
12 | 7683640400 |
13 | 38a5c43c69 |
14 | 1c5d01d2a4 |
15 | 1033724813 |
hex | 91450be40 |
38995541568 has 42 divisors (see below), whose sum is σ = 111773680694. Its totient is φ = 12998513664.
The previous prime is 38995541527. The next prime is 38995541587. The reversal of 38995541568 is 86514559983.
38995541568 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 554 + 15 + 68 = 666.
It can be written as a sum of positive squares in only one way, i.e., 38796393024 + 199148544 = 196968^2 + 14112^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33849721 + ... + 33850872.
Almost surely, 238995541568 is an apocalyptic number.
It is an amenable number.
38995541568 is an abundant number, since it is smaller than the sum of its proper divisors (72778139126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38995541568 is a wasteful number, since it uses less digits than its factorization.
38995541568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67700611 (or 67700598 counting only the distinct ones).
The product of its digits is 46656000, while the sum is 63.
The spelling of 38995541568 in words is "thirty-eight billion, nine hundred ninety-five million, five hundred forty-one thousand, five hundred sixty-eight".
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