Base | Representation |
---|---|
bin | 101111100110000101… |
… | …110001000111010110 |
3 | 11212220120220111201020 |
4 | 233212011301013112 |
5 | 1314130324134310 |
6 | 35251031342010 |
7 | 3456266404020 |
oct | 574605610726 |
9 | 155816814636 |
10 | 51104911830 |
11 | 1a745432725 |
12 | 9aa2b21906 |
13 | 4a859502cb |
14 | 268b38b010 |
15 | 14e189b170 |
hex | be61711d6 |
51104911830 has 32 divisors (see below), whose sum is σ = 140173473024. Its totient is φ = 11681122656.
The previous prime is 51104911789. The next prime is 51104911843. The reversal of 51104911830 is 3811940115.
It is a super-2 number, since 2×511049118302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 51104911791 and 51104911800.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121678152 + ... + 121678571.
It is an arithmetic number, because the mean of its divisors is an integer number (4380421032).
Almost surely, 251104911830 is an apocalyptic number.
51104911830 is an abundant number, since it is smaller than the sum of its proper divisors (89068561194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51104911830 is a wasteful number, since it uses less digits than its factorization.
51104911830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243356740.
The product of its (nonzero) digits is 4320, while the sum is 33.
The spelling of 51104911830 in words is "fifty-one billion, one hundred four million, nine hundred eleven thousand, eight hundred thirty".
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