Base | Representation |
---|---|
bin | 110010101010011111… |
… | …100100111100001101 |
3 | 12012102020012221102221 |
4 | 302222133210330031 |
5 | 1342402400341140 |
6 | 40554021015341 |
7 | 3634040321131 |
oct | 625237447415 |
9 | 165366187387 |
10 | 54400012045 |
11 | 21086430245 |
12 | a662554551 |
13 | 518c508352 |
14 | 28c0c4d3c1 |
15 | 1635cd214a |
hex | caa7e4f0d |
54400012045 has 16 divisors (see below), whose sum is σ = 68144919552. Its totient is φ = 41611553280.
The previous prime is 54400012039. The next prime is 54400012057. The reversal of 54400012045 is 54021000445.
It is a happy number.
It is not a de Polignac number, because 54400012045 - 235 = 20040273677 is a prime.
It is a super-2 number, since 2×544000120452 (a number of 22 digits) contains 22 as substring.
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, 206980 + ... + 389410.
It is an arithmetic number, because the mean of its divisors is an integer number (4259057472).
Almost surely, 254400012045 is an apocalyptic number.
It is an amenable number.
54400012045 is a deficient number, since it is larger than the sum of its proper divisors (13744907507).
54400012045 is a wasteful number, since it uses less digits than its factorization.
54400012045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185052.
The product of its (nonzero) digits is 3200, while the sum is 25.
The spelling of 54400012045 in words is "fifty-four billion, four hundred million, twelve thousand, forty-five".
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