Base | Representation |
---|---|
bin | 111011010011010110… |
… | …0000110110110001100 |
3 | 110011201021200101201102 |
4 | 1312212230012312030 |
5 | 4041303230204240 |
6 | 134300514002232 |
7 | 12125603336606 |
oct | 1664654066614 |
9 | 404637611642 |
10 | 127350631820 |
11 | 4a011125655 |
12 | 20821576378 |
13 | c017037c59 |
14 | 6241696176 |
15 | 34a5480815 |
hex | 1da6b06d8c |
127350631820 has 24 divisors (see below), whose sum is σ = 267758962800. Its totient is φ = 50878798272.
The previous prime is 127350631753. The next prime is 127350631861. The reversal of 127350631820 is 28136053721.
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 7 ways as a sum of consecutive naturals, for example, 3823910 + ... + 3857069.
It is an arithmetic number, because the mean of its divisors is an integer number (11156623450).
Almost surely, 2127350631820 is an apocalyptic number.
127350631820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127350631820 is an abundant number, since it is smaller than the sum of its proper divisors (140408330980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127350631820 is a wasteful number, since it uses less digits than its factorization.
127350631820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7681817 (or 7681815 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 38.
The spelling of 127350631820 in words is "one hundred twenty-seven billion, three hundred fifty million, six hundred thirty-one thousand, eight hundred twenty".
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