Base | Representation |
---|---|
bin | 1111001100001… |
… | …10100011110101 |
3 | 22212210001112011 |
4 | 13212012203311 |
5 | 230110210403 |
6 | 20351124221 |
7 | 3105061456 |
oct | 746064365 |
9 | 285701464 |
10 | 127428853 |
11 | 65a26202 |
12 | 36813671 |
13 | 205283b6 |
14 | 12cd112d |
15 | b2c1a6d |
hex | 79868f5 |
127428853 has 4 divisors (see below), whose sum is σ = 127622880. Its totient is φ = 127234828.
The previous prime is 127428811. The next prime is 127428863. The reversal of 127428853 is 358824721.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 127428853 - 29 = 127428341 is a prime.
It is a super-2 number, since 2×1274288532 = 32476225153791218, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127428863) 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, 96025 + ... + 97342.
It is an arithmetic number, because the mean of its divisors is an integer number (31905720).
Almost surely, 2127428853 is an apocalyptic number.
It is an amenable number.
127428853 is a deficient number, since it is larger than the sum of its proper divisors (194027).
127428853 is an equidigital number, since it uses as much as digits as its factorization.
127428853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194026.
The product of its digits is 107520, while the sum is 40.
The square root of 127428853 is about 11288.4389089014. The cubic root of 127428853 is about 503.2177188174.
The spelling of 127428853 in words is "one hundred twenty-seven million, four hundred twenty-eight thousand, eight hundred fifty-three".
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