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42231433544 = 2312923408491
BaseRepresentation
bin100111010101001100…
…001000100101001000
311001000011220002212022
4213111030020211020
51142442221333134
631222330104012
73023351155646
oct472514104510
9131004802768
1042231433544
1116a015a80a3
12822727b008
133ca046b541
142088aac196
15117286252e
hex9d5308948

42231433544 has 16 divisors (see below), whose sum is σ = 79190259120. Its totient is φ = 21114031120.

The previous prime is 42231433469. The next prime is 42231433547. The reversal of 42231433544 is 44533413224.

It is not an unprimeable number, because it can be changed into a prime (42231433547) 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, 100862 + ... + 307629.

It is an arithmetic number, because the mean of its divisors is an integer number (4949391195).

Almost surely, 242231433544 is an apocalyptic number.

It is an amenable number.

42231433544 is a deficient number, since it is larger than the sum of its proper divisors (36958825576).

42231433544 is a wasteful number, since it uses less digits than its factorization.

42231433544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421420 (or 421416 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

Adding to 42231433544 its reverse (44533413224), we get a palindrome (86764846768).

The spelling of 42231433544 in words is "forty-two billion, two hundred thirty-one million, four hundred thirty-three thousand, five hundred forty-four".

Divisors: 1 2 4 8 12923 25846 51692 103384 408491 816982 1633964 3267928 5278929193 10557858386 21115716772 42231433544