Search a number
-
+
52441421431 = 77491631633
BaseRepresentation
bin110000110101110000…
…001001011001110111
312000100201210020012211
4300311300021121313
51324400000441211
640031413354251
73534355504330
oct606560113167
9160321706184
1052441421431
11202708a7113
12a1b6638987
134c397cc1a9
142776a93287
15156dd9de21
hexc35c09677

52441421431 has 4 divisors (see below), whose sum is σ = 59933053072. Its totient is φ = 44949789792.

The previous prime is 52441421429. The next prime is 52441421489. The reversal of 52441421431 is 13412414425.

It is a happy number.

52441421431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52441421431 - 21 = 52441421429 is a prime.

It is a super-2 number, since 2×524414214312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52441421393 and 52441421402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52441421401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745815810 + ... + 3745815823.

It is an arithmetic number, because the mean of its divisors is an integer number (14983263268).

Almost surely, 252441421431 is an apocalyptic number.

52441421431 is a deficient number, since it is larger than the sum of its proper divisors (7491631641).

52441421431 is an equidigital number, since it uses as much as digits as its factorization.

52441421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491631640.

The product of its digits is 15360, while the sum is 31.

Adding to 52441421431 its reverse (13412414425), we get a palindrome (65853835856).

The spelling of 52441421431 in words is "fifty-two billion, four hundred forty-one million, four hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 7 7491631633 52441421431