Base | Representation |
---|---|
bin | 10011010101011111… |
… | …00111001101001000 |
3 | 222210110022022200012 |
4 | 21222233213031020 |
5 | 132224441111330 |
6 | 4434024331052 |
7 | 515150231324 |
oct | 115257471510 |
9 | 28713268605 |
10 | 10380800840 |
11 | 4447767353 |
12 | 2018613a88 |
13 | c95869007 |
14 | 70696a984 |
15 | 40b52cc95 |
hex | 26abe7348 |
10380800840 has 16 divisors (see below), whose sum is σ = 23356801980. Its totient is φ = 4152320320.
The previous prime is 10380800819. The next prime is 10380800867. The reversal of 10380800840 is 4800808301.
It can be written as a sum of positive squares in 2 ways, for example, as 9487149604 + 893651236 = 97402^2 + 29894^2 .
It is a super-2 number, since 2×103808008402 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10380800797 and 10380800806.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129759971 + ... + 129760050.
Almost surely, 210380800840 is an apocalyptic number.
10380800840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10380800840 is an abundant number, since it is smaller than the sum of its proper divisors (12976001140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10380800840 is a wasteful number, since it uses less digits than its factorization.
10380800840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259520032 (or 259520028 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The spelling of 10380800840 in words is "ten billion, three hundred eighty million, eight hundred thousand, eight hundred forty".
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