Base | Representation |
---|---|
bin | 10000011110011101… |
… | …100101111010101000 |
3 | 1200122220122000201110 |
4 | 100132131211322220 |
5 | 242212340140034 |
6 | 12043242150320 |
7 | 1164253351500 |
oct | 203635457250 |
9 | 50586560643 |
10 | 17690943144 |
11 | 7559092476 |
12 | 35187b23a0 |
13 | 188c1b12c4 |
14 | bdb77aa00 |
15 | 6d81aade9 |
hex | 41e765ea8 |
17690943144 has 48 divisors (see below), whose sum is σ = 51448154400. Its totient is φ = 5054554848.
The previous prime is 17690943107. The next prime is 17690943173. The reversal of 17690943144 is 44134909671.
It is a junction number, because it is equal to n+sod(n) for n = 17690943093 and 17690943102.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7520484 + ... + 7522835.
It is an arithmetic number, because the mean of its divisors is an integer number (1071836550).
Almost surely, 217690943144 is an apocalyptic number.
17690943144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
17690943144 is an abundant number, since it is smaller than the sum of its proper divisors (33757211256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17690943144 is a wasteful number, since it uses less digits than its factorization.
17690943144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15043342 (or 15043331 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 48.
The spelling of 17690943144 in words is "seventeen billion, six hundred ninety million, nine hundred forty-three thousand, one hundred forty-four".
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