Base | Representation |
---|---|
bin | 1001110010010000100… |
… | …1100010010001000000 |
3 | 121001220220000012022200 |
4 | 2130210021202101000 |
5 | 10223242203011333 |
6 | 205121225033200 |
7 | 15100633104510 |
oct | 2344411422100 |
9 | 531826005280 |
10 | 168110203968 |
11 | 65327911473 |
12 | 286b7925800 |
13 | 12b11586b95 |
14 | 81caaa7840 |
15 | 458d9a5c13 |
hex | 2724262440 |
168110203968 has 168 divisors, whose sum is σ = 579678515520. Its totient is φ = 45503493120.
The previous prime is 168110203951. The next prime is 168110203981. The reversal of 168110203968 is 869302011861.
It is a tau number, because it is divible by the number of its divisors (168).
It is a super-2 number, since 2×1681102039682 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020603 + ... + 1173818.
Almost surely, 2168110203968 is an apocalyptic number.
168110203968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
168110203968 is an abundant number, since it is smaller than the sum of its proper divisors (411568311552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168110203968 is a wasteful number, since it uses less digits than its factorization.
168110203968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2194465 (or 2194452 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 168110203968 in words is "one hundred sixty-eight billion, one hundred ten million, two hundred three thousand, nine hundred sixty-eight".
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