Base | Representation |
---|---|
bin | 110011010001010111… |
… | …001001001011110111 |
3 | 12021002200021002021111 |
4 | 303101113021023313 |
5 | 1400221320101011 |
6 | 41142433455451 |
7 | 3656146144045 |
oct | 632127111367 |
9 | 167080232244 |
10 | 55052112631 |
11 | 2139053404a |
12 | a804a11587 |
13 | 5264646499 |
14 | 29436b9395 |
15 | 1673192121 |
hex | cd15c92f7 |
55052112631 has 8 divisors (see below), whose sum is σ = 56915841024. Its totient is φ = 53193875160.
The previous prime is 55052112629. The next prime is 55052112719. The reversal of 55052112631 is 13621125055.
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 55052112631 - 21 = 55052112629 is a prime.
It is a super-2 number, since 2×550521126312 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 55052112593 and 55052112602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55052112431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352335 + ... + 1392448.
It is an arithmetic number, because the mean of its divisors is an integer number (7114480128).
Almost surely, 255052112631 is an apocalyptic number.
55052112631 is a deficient number, since it is larger than the sum of its proper divisors (1863728393).
55052112631 is a wasteful number, since it uses less digits than its factorization.
55052112631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2745461.
The product of its (nonzero) digits is 9000, while the sum is 31.
Adding to 55052112631 its reverse (13621125055), we get a palindrome (68673237686).
The spelling of 55052112631 in words is "fifty-five billion, fifty-two million, one hundred twelve thousand, six hundred thirty-one".
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