Base | Representation |
---|---|
bin | 1000011101111110011… |
… | …10011111010010000000 |
3 | 1000211001021101002222100 |
4 | 10032333032133102000 |
5 | 14231402042231412 |
6 | 341400435310400 |
7 | 30010351106244 |
oct | 4167716372200 |
9 | 1024037332870 |
10 | 290971055232 |
11 | 102444636480 |
12 | 4848574b400 |
13 | 21591385a40 |
14 | 10123d54424 |
15 | 787ebb5edc |
hex | 43bf39f480 |
290971055232 has 768 divisors, whose sum is σ = 1023948656640. Its totient is φ = 78105600000.
The previous prime is 290971055213. The next prime is 290971055233. The reversal of 290971055232 is 232550179092.
290971055232 is a `hidden beast` number, since 2 + 9 + 0 + 97 + 1 + 0 + 552 + 3 + 2 = 666.
It is a super-3 number, since 3×2909710552323 (a number of 35 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (290971055233) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1159247107 + ... + 1159247357.
It is an arithmetic number, because the mean of its divisors is an integer number (1333266480).
Almost surely, 2290971055232 is an apocalyptic number.
290971055232 is a gapful number since it is divisible by the number (22) 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 290971055232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511974328320).
290971055232 is an abundant number, since it is smaller than the sum of its proper divisors (732977601408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290971055232 is a wasteful number, since it uses less digits than its factorization.
290971055232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 553 (or 538 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 45.
The spelling of 290971055232 in words is "two hundred ninety billion, nine hundred seventy-one million, fifty-five thousand, two hundred thirty-two".
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