Base | Representation |
---|---|
bin | 1100100001010100111… |
… | …0010000001001011000 |
3 | 202120012222220211220112 |
4 | 3020111032100021120 |
5 | 12011013213004423 |
6 | 242452334143452 |
7 | 21353326265114 |
oct | 3102516201130 |
9 | 676188824815 |
10 | 215104422488 |
11 | 8325292539a |
12 | 35832051b88 |
13 | 17390699987 |
14 | a5a8128744 |
15 | 58de513a78 |
hex | 3215390258 |
215104422488 has 16 divisors (see below), whose sum is σ = 409932609360. Its totient is φ = 105789060000.
The previous prime is 215104422487. The next prime is 215104422493. The reversal of 215104422488 is 884224401512.
It is a super-2 number, since 2×2151044224882 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215104422487) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220393388 + ... + 220394363.
It is an arithmetic number, because the mean of its divisors is an integer number (25620788085).
Almost surely, 2215104422488 is an apocalyptic number.
It is an amenable number.
215104422488 is a deficient number, since it is larger than the sum of its proper divisors (194828186872).
215104422488 is a wasteful number, since it uses less digits than its factorization.
215104422488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440787818 (or 440787814 counting only the distinct ones).
The product of its (nonzero) digits is 163840, while the sum is 41.
The spelling of 215104422488 in words is "two hundred fifteen billion, one hundred four million, four hundred twenty-two thousand, four hundred eighty-eight".
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