Base | Representation |
---|---|
bin | 11001100010001011… |
… | …00000011001011010 |
3 | 1022101100211100012112 |
4 | 30301011200121122 |
5 | 211033324211030 |
6 | 10144135112322 |
7 | 663464502662 |
oct | 146105403132 |
9 | 38340740175 |
10 | 13708428890 |
11 | 58a5061582 |
12 | 27a6b126a2 |
13 | 13a60a27b0 |
14 | 9408991a2 |
15 | 55373ba95 |
hex | 33116065a |
13708428890 has 96 divisors (see below), whose sum is σ = 28486972080. Its totient is φ = 4720214016.
The previous prime is 13708428871. The next prime is 13708428913. The reversal of 13708428890 is 9882480731.
It is a Cunningham number, because it is equal to 1170832+1.
It can be written as a sum of positive squares in 24 ways, for example, as 2072707729 + 11635721161 = 45527^2 + 107869^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4243796 + ... + 4247024.
Almost surely, 213708428890 is an apocalyptic number.
13708428890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13708428890 is an abundant number, since it is smaller than the sum of its proper divisors (14778543190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13708428890 is a wasteful number, since it uses less digits than its factorization.
13708428890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3396 (or 3379 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 13708428890 in words is "thirteen billion, seven hundred eight million, four hundred twenty-eight thousand, eight hundred ninety".
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