Base | Representation |
---|---|
bin | 110010101010001011… |
… | …001100001111111111 |
3 | 12012101212011102211111 |
4 | 302222023030033333 |
5 | 1342400013334111 |
6 | 40553310302451 |
7 | 3633644022664 |
oct | 625213141777 |
9 | 165355142744 |
10 | 54394668031 |
11 | 21083410200 |
12 | a6607b7a27 |
13 | 518b386b02 |
14 | 28c025ba6b |
15 | 16355c8a21 |
hex | caa2cc3ff |
54394668031 has 12 divisors (see below), whose sum is σ = 61405109416. Its totient is φ = 48113215920.
The previous prime is 54394668017. The next prime is 54394668037. The reversal of 54394668031 is 13086649345.
It is a happy number.
It is not a de Polignac number, because 54394668031 - 29 = 54394667519 is a prime.
It is a super-2 number, since 2×543946680312 (a number of 22 digits) 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 (54394668037) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6070425 + ... + 6079378.
Almost surely, 254394668031 is an apocalyptic number.
54394668031 is a deficient number, since it is larger than the sum of its proper divisors (7010441385).
54394668031 is a wasteful number, since it uses less digits than its factorization.
54394668031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12149862 (or 12149851 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 49.
The spelling of 54394668031 in words is "fifty-four billion, three hundred ninety-four million, six hundred sixty-eight thousand, thirty-one".
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