Base | Representation |
---|---|
bin | 10000001101001010… |
… | …110100011000100000 |
3 | 1122220200200200111010 |
4 | 100031022310120200 |
5 | 241114101341432 |
6 | 11554355420520 |
7 | 1154131302360 |
oct | 201512643040 |
9 | 48820620433 |
10 | 17400808992 |
11 | 741a337386 |
12 | 34575b4740 |
13 | 1844058ca8 |
14 | bb10149a0 |
15 | 6bc99a3cc |
hex | 40d2b4620 |
17400808992 has 96 divisors (see below), whose sum is σ = 52476125184. Its totient is φ = 4945593600.
The previous prime is 17400808973. The next prime is 17400809009. The reversal of 17400808992 is 29980800471.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60567 + ... + 196137.
It is an arithmetic number, because the mean of its divisors is an integer number (546626304).
Almost surely, 217400808992 is an apocalyptic number.
17400808992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 17400808992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26238062592).
17400808992 is an abundant number, since it is smaller than the sum of its proper divisors (35075316192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17400808992 is a wasteful number, since it uses less digits than its factorization.
17400808992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135782 (or 135774 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 48.
The spelling of 17400808992 in words is "seventeen billion, four hundred million, eight hundred eight thousand, nine hundred ninety-two".
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