Base | Representation |
---|---|
bin | 110100010111010100… |
… | …000001110101101111 |
3 | 12101010110120120011221 |
4 | 310113110001311233 |
5 | 1410122234414411 |
6 | 41455115524211 |
7 | 4030216401130 |
oct | 642724016557 |
9 | 171113516157 |
10 | 56225701231 |
11 | 21932a40587 |
12 | aa91a59667 |
13 | 53c08211cb |
14 | 2a154d1c87 |
15 | 16e1212071 |
hex | d17501d6f |
56225701231 has 4 divisors (see below), whose sum is σ = 64257944272. Its totient is φ = 48193458192.
The previous prime is 56225701229. The next prime is 56225701237. The reversal of 56225701231 is 13210752265.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13210752265 = 5 ⋅2642150453.
It is a cyclic number.
It is not a de Polignac number, because 56225701231 - 21 = 56225701229 is a prime.
It is a super-2 number, since 2×562257012312 (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 (56225701237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016121510 + ... + 4016121523.
It is an arithmetic number, because the mean of its divisors is an integer number (16064486068).
Almost surely, 256225701231 is an apocalyptic number.
56225701231 is a deficient number, since it is larger than the sum of its proper divisors (8032243041).
56225701231 is an equidigital number, since it uses as much as digits as its factorization.
56225701231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8032243040.
The product of its (nonzero) digits is 25200, while the sum is 34.
The spelling of 56225701231 in words is "fifty-six billion, two hundred twenty-five million, seven hundred one thousand, two hundred thirty-one".
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