Base | Representation |
---|---|
bin | 1111001111100… |
… | …01111010000001 |
3 | 22220121101200001 |
4 | 13213301322001 |
5 | 230213243140 |
6 | 20404400001 |
7 | 3111602410 |
oct | 747617201 |
9 | 286541601 |
10 | 127868545 |
11 | 661a6592 |
12 | 369a6001 |
13 | 2065057c |
14 | 12da7477 |
15 | b35be9a |
hex | 79f1e81 |
127868545 has 16 divisors (see below), whose sum is σ = 179641728. Its totient is φ = 85541760.
The previous prime is 127868527. The next prime is 127868557. The reversal of 127868545 is 545868721.
It is not a de Polignac number, because 127868545 - 25 = 127868513 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 127868495 and 127868504.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43119 + ... + 45988.
It is an arithmetic number, because the mean of its divisors is an integer number (11227608).
Almost surely, 2127868545 is an apocalyptic number.
It is an amenable number.
127868545 is a deficient number, since it is larger than the sum of its proper divisors (51773183).
127868545 is an equidigital number, since it uses as much as digits as its factorization.
127868545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89160.
The product of its digits is 537600, while the sum is 46.
The square root of 127868545 is about 11307.8974615089. The cubic root of 127868545 is about 503.7958369873.
The spelling of 127868545 in words is "one hundred twenty-seven million, eight hundred sixty-eight thousand, five hundred forty-five".
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