Base | Representation |
---|---|
bin | 110010101100010011… |
… | …100000011001100000 |
3 | 12012111100101220211011 |
4 | 302230103200121200 |
5 | 1342433140332034 |
6 | 41001024230304 |
7 | 3634556533036 |
oct | 625423403140 |
9 | 165440356734 |
10 | 54430402144 |
11 | 210a15a7828 |
12 | a67076b394 |
13 | 51958b8a61 |
14 | 28c4cc0556 |
15 | 16387d6864 |
hex | cac4e0660 |
54430402144 has 48 divisors (see below), whose sum is σ = 113314674816. Its totient is φ = 25694899200.
The previous prime is 54430402139. The next prime is 54430402163. The reversal of 54430402144 is 44120403445.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628467 + ... + 709810.
It is an arithmetic number, because the mean of its divisors is an integer number (2360722392).
Almost surely, 254430402144 is an apocalyptic number.
It is an amenable number.
54430402144 is an abundant number, since it is smaller than the sum of its proper divisors (58884272672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54430402144 is a wasteful number, since it uses less digits than its factorization.
54430402144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338359 (or 1338351 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 31.
Adding to 54430402144 its reverse (44120403445), we get a palindrome (98550805589).
The spelling of 54430402144 in words is "fifty-four billion, four hundred thirty million, four hundred two thousand, one hundred forty-four".
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