Base | Representation |
---|---|
bin | 10011011000011111… |
… | …00111100000001001 |
3 | 222212012122221100211 |
4 | 21230033213200021 |
5 | 132302411433011 |
6 | 4440324001121 |
7 | 515604160531 |
oct | 115417474011 |
9 | 28765587324 |
10 | 10405967881 |
11 | 445a996761 |
12 | 2024b301a1 |
13 | c9ab3b25a |
14 | 70a03c4c1 |
15 | 40d84eb21 |
hex | 26c3e7809 |
10405967881 has 8 divisors (see below), whose sum is σ = 10533225024. Its totient is φ = 10278755760.
The previous prime is 10405967863. The next prime is 10405967893. The reversal of 10405967881 is 18876950401.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10405967881 is a prime.
It is a super-2 number, since 2×104059678812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10405967821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873636 + ... + 885466.
It is an arithmetic number, because the mean of its divisors is an integer number (1316653128).
Almost surely, 210405967881 is an apocalyptic number.
It is an amenable number.
10405967881 is a deficient number, since it is larger than the sum of its proper divisors (127257143).
10405967881 is a wasteful number, since it uses less digits than its factorization.
10405967881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22511.
The product of its (nonzero) digits is 483840, while the sum is 49.
The spelling of 10405967881 in words is "ten billion, four hundred five million, nine hundred sixty-seven thousand, eight hundred eighty-one".
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