Base | Representation |
---|---|
bin | 110001100100001011… |
… | …001010100100011111 |
3 | 12002101000022010102202 |
4 | 301210023022210133 |
5 | 1332443341143111 |
6 | 40240554442115 |
7 | 3562563466205 |
oct | 614413124437 |
9 | 162330263382 |
10 | 53220256031 |
11 | 206304a1078 |
12 | a39343333b |
13 | 5031c81377 |
14 | 280c2ad075 |
15 | 15b7444b3b |
hex | c642ca91f |
53220256031 has 8 divisors (see below), whose sum is σ = 54524076480. Its totient is φ = 51923580448.
The previous prime is 53220255973. The next prime is 53220256051. The reversal of 53220256031 is 13065202235.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53220256031 - 26 = 53220255967 is a prime.
It is a super-3 number, since 3×532202560313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53220255985 and 53220256003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53220256051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771136 + ... + 1800933.
It is an arithmetic number, because the mean of its divisors is an integer number (6815509560).
Almost surely, 253220256031 is an apocalyptic number.
53220256031 is a deficient number, since it is larger than the sum of its proper divisors (1303820449).
53220256031 is a wasteful number, since it uses less digits than its factorization.
53220256031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3572433.
The product of its (nonzero) digits is 10800, while the sum is 29.
Adding to 53220256031 its reverse (13065202235), we get a palindrome (66285458266).
The spelling of 53220256031 in words is "fifty-three billion, two hundred twenty million, two hundred fifty-six thousand, thirty-one".
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