Base | Representation |
---|---|
bin | 1001110100111101011… |
… | …1000100011011010100 |
3 | 121010210102011101120110 |
4 | 2131033113010123110 |
5 | 10231233301001202 |
6 | 205321203403020 |
7 | 15124615166211 |
oct | 2351727043324 |
9 | 533712141513 |
10 | 168835172052 |
11 | 6566a064748 |
12 | 2887a683470 |
13 | 12bc8828a91 |
14 | 82590a0b08 |
15 | 45d245b26c |
hex | 274f5c46d4 |
168835172052 has 48 divisors (see below), whose sum is σ = 402441359040. Its totient is φ = 55070765568.
The previous prime is 168835172039. The next prime is 168835172069. The reversal of 168835172052 is 250271538861.
It is a junction number, because it is equal to n+sod(n) for n = 168835171992 and 168835172010.
It is a congruent number.
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, 109173 + ... + 591260.
It is an arithmetic number, because the mean of its divisors is an integer number (8384194980).
Almost surely, 2168835172052 is an apocalyptic number.
168835172052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
168835172052 is an abundant number, since it is smaller than the sum of its proper divisors (233606186988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168835172052 is a wasteful number, since it uses less digits than its factorization.
168835172052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700872 (or 700870 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 48.
The spelling of 168835172052 in words is "one hundred sixty-eight billion, eight hundred thirty-five million, one hundred seventy-two thousand, fifty-two".
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