Search a number
-
+
431442425802 = 2371907070967
BaseRepresentation
bin1100100011100111111…
…10001111011111001010
31112020121222001002120210
412101303332033133022
524032043230111202
6530111340301550
743112355052623
oct6216376173712
91466558032523
10431442425802
11156a79002273
126b7492418b6
13318b97b791b
1416c4c004a4a
15b351e97c6c
hex6473f8f7ca

431442425802 has 8 divisors (see below), whose sum is σ = 862884851616. Its totient is φ = 143814141932.

The previous prime is 431442425801. The next prime is 431442425857. The reversal of 431442425802 is 208524244134.

It is a sphenic number, since it is the product of 3 distinct primes.

431442425802 is an admirable number.

It is a super-2 number, since 2×4314424258022 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431442425801) 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, 35953535478 + ... + 35953535489.

It is an arithmetic number, because the mean of its divisors is an integer number (107860606452).

Almost surely, 2431442425802 is an apocalyptic number.

431442425802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431442425802 is a wasteful number, since it uses less digits than its factorization.

431442425802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71907070972.

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 431442425802 its reverse (208524244134), we get a palindrome (639966669936).

The spelling of 431442425802 in words is "four hundred thirty-one billion, four hundred forty-two million, four hundred twenty-five thousand, eight hundred two".

Divisors: 1 2 3 6 71907070967 143814141934 215721212901 431442425802