Base | Representation |
---|---|
bin | 100100001101011111… |
… | …101000011111000001 |
3 | 10201100200122121122222 |
4 | 210031133220133001 |
5 | 1114112030224021 |
6 | 25510044540425 |
7 | 2544336624545 |
oct | 441537503701 |
9 | 121320577588 |
10 | 38881101761 |
11 | 15542406257 |
12 | 7651251715 |
13 | 3888315ab8 |
14 | 1c4bb4da25 |
15 | 102866b6ab |
hex | 90d7e87c1 |
38881101761 has 16 divisors (see below), whose sum is σ = 41508676800. Its totient is φ = 36292451328.
The previous prime is 38881101757. The next prime is 38881101773. The reversal of 38881101761 is 16710118883.
38881101761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 38881101761 - 22 = 38881101757 is a prime.
It is a super-2 number, since 2×388811017612 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38881101731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136441 + ... + 1170153.
It is an arithmetic number, because the mean of its divisors is an integer number (2594292300).
Almost surely, 238881101761 is an apocalyptic number.
It is an amenable number.
38881101761 is a deficient number, since it is larger than the sum of its proper divisors (2627575039).
38881101761 is a wasteful number, since it uses less digits than its factorization.
38881101761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34288.
The product of its (nonzero) digits is 64512, while the sum is 44.
The spelling of 38881101761 in words is "thirty-eight billion, eight hundred eighty-one million, one hundred one thousand, seven hundred sixty-one".
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