Search a number
-
+
52435612631 = 145336087827
BaseRepresentation
bin110000110101011001…
…111111001111010111
312000100022212010001002
4300311121333033113
51324342004101011
640031045053515
73534255232133
oct606531771727
9160308763032
1052435612631
1120268599956
12a1b46b729b
134c3854722c
142775dc03c3
15156d602c3b
hexc3567f3d7

52435612631 has 4 divisors (see below), whose sum is σ = 52471701912. Its totient is φ = 52399523352.

The previous prime is 52435612591. The next prime is 52435612657. The reversal of 52435612631 is 13621653425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52435612631 is a prime.

It is a super-2 number, since 2×524356126312 (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 (52435612531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18042461 + ... + 18045366.

It is an arithmetic number, because the mean of its divisors is an integer number (13117925478).

Almost surely, 252435612631 is an apocalyptic number.

52435612631 is a deficient number, since it is larger than the sum of its proper divisors (36089281).

52435612631 is a wasteful number, since it uses less digits than its factorization.

52435612631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36089280.

The product of its digits is 129600, while the sum is 38.

The spelling of 52435612631 in words is "fifty-two billion, four hundred thirty-five million, six hundred twelve thousand, six hundred thirty-one".

Divisors: 1 1453 36087827 52435612631