Base | Representation |
---|---|
bin | 1111001010001… |
… | …01110010010100 |
3 | 22212021120120202 |
4 | 13211011302110 |
5 | 230023213130 |
6 | 20341320032 |
7 | 3102605120 |
oct | 745056224 |
9 | 285246522 |
10 | 127163540 |
11 | 65864939 |
12 | 36706018 |
13 | 204646ca |
14 | 12c62580 |
15 | b26d145 |
hex | 7945c94 |
127163540 has 48 divisors (see below), whose sum is σ = 305835264. Its totient is φ = 43507200.
The previous prime is 127163489. The next prime is 127163551. The reversal of 127163540 is 45361721.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122825 + ... + 123855.
It is an arithmetic number, because the mean of its divisors is an integer number (6371568).
Almost surely, 2127163540 is an apocalyptic number.
127163540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127163540 is an abundant number, since it is smaller than the sum of its proper divisors (178671724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127163540 is a wasteful number, since it uses less digits than its factorization.
127163540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1928 (or 1926 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 127163540 is about 11276.6812493747. The cubic root of 127163540 is about 502.8682349943.
The spelling of 127163540 in words is "one hundred twenty-seven million, one hundred sixty-three thousand, five hundred forty".
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