Base | Representation |
---|---|
bin | 110010111111011111… |
… | …001001010100001111 |
3 | 12020022202221222111222 |
4 | 302333133021110033 |
5 | 1344113032023211 |
6 | 41053002033555 |
7 | 3645545123546 |
oct | 627737112417 |
9 | 166282858458 |
10 | 54752220431 |
11 | 21247223657 |
12 | a7404a88bb |
13 | 521748578c |
14 | 291593315d |
15 | 1656ba51db |
hex | cbf7c950f |
54752220431 has 2 divisors, whose sum is σ = 54752220432. Its totient is φ = 54752220430.
The previous prime is 54752220427. The next prime is 54752220437. The reversal of 54752220431 is 13402225745.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 54752220431 - 22 = 54752220427 is a prime.
It is a super-2 number, since 2×547522204312 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 54752220391 and 54752220400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54752220437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27376110215 + 27376110216.
It is an arithmetic number, because the mean of its divisors is an integer number (27376110216).
Almost surely, 254752220431 is an apocalyptic number.
54752220431 is a deficient number, since it is larger than the sum of its proper divisors (1).
54752220431 is an equidigital number, since it uses as much as digits as its factorization.
54752220431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 67200, while the sum is 35.
The spelling of 54752220431 in words is "fifty-four billion, seven hundred fifty-two million, two hundred twenty thousand, four hundred thirty-one".
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