Base | Representation |
---|---|
bin | 110011100110100001… |
… | …111101101000110111 |
3 | 12022000102112222012222 |
4 | 303212201331220313 |
5 | 1401433230123310 |
6 | 41242002032555 |
7 | 4001021012435 |
oct | 634641755067 |
9 | 168012488188 |
10 | 55407270455 |
11 | 21552a61409 |
12 | a8a394875b |
13 | 52c00b7244 |
14 | 2978929d55 |
15 | 1694449055 |
hex | ce687da37 |
55407270455 has 16 divisors (see below), whose sum is σ = 68691863808. Its totient is φ = 42859488000.
The previous prime is 55407270433. The next prime is 55407270493.
55407270455 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 55407270455 - 28 = 55407270199 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 31715 + ... + 334395.
It is an arithmetic number, because the mean of its divisors is an integer number (4293241488).
Almost surely, 255407270455 is an apocalyptic number.
55407270455 is a deficient number, since it is larger than the sum of its proper divisors (13284593353).
55407270455 is a wasteful number, since it uses less digits than its factorization.
55407270455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303898.
The product of its (nonzero) digits is 980000, while the sum is 44.
The spelling of 55407270455 in words is "fifty-five billion, four hundred seven million, two hundred seventy thousand, four hundred fifty-five".
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