Base | Representation |
---|---|
bin | 1000011001010010111… |
… | …10011111100000011000 |
3 | 1000120120011212121200110 |
4 | 10030221132133200120 |
5 | 14211230404334211 |
6 | 340303250204320 |
7 | 26561163136266 |
oct | 4145136374030 |
9 | 1016504777613 |
10 | 288458668056 |
11 | 101375441839 |
12 | 47aa42836a0 |
13 | 21280a0a300 |
14 | dd663db436 |
15 | 778433eea6 |
hex | 432979f818 |
288458668056 has 96 divisors (see below), whose sum is σ = 781680825360. Its totient is φ = 88666246656.
The previous prime is 288458668039. The next prime is 288458668073. The reversal of 288458668056 is 650866854882.
It is an interprime number because it is at equal distance from previous prime (288458668039) and next prime (288458668073).
It is a congruent number.
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, 4008166 + ... + 4079498.
Almost surely, 2288458668056 is an apocalyptic number.
288458668056 is a gapful number since it is divisible by the number (26) 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 288458668056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390840412680).
288458668056 is an abundant number, since it is smaller than the sum of its proper divisors (493222157304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288458668056 is a wasteful number, since it uses less digits than its factorization.
288458668056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72365 (or 72348 counting only the distinct ones).
The product of its (nonzero) digits is 176947200, while the sum is 66.
The spelling of 288458668056 in words is "two hundred eighty-eight billion, four hundred fifty-eight million, six hundred sixty-eight thousand, fifty-six".
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