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42331118772 = 2238939635879
BaseRepresentation
bin100111011011001000…
…011001110010110100
311001021010110122021210
4213123020121302310
51143143231300042
631240250441420
73026001400305
oct473310316264
9131233418253
1042331118772
1116a528a4088
128254733270
133cb8001997
14209801a7ac
15117b4a3a9c
hex9db219cb4

42331118772 has 24 divisors (see below), whose sum is σ = 99882417600. Its totient is φ = 13951829056.

The previous prime is 42331118771. The next prime is 42331118773. The reversal of 42331118772 is 27781113324.

42331118772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42331118771) and next prime (42331118773).

It is a self number, because there is not a number n which added to its sum of digits gives 42331118772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331118771) 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, 19816872 + ... + 19819007.

It is an arithmetic number, because the mean of its divisors is an integer number (4161767400).

Almost surely, 242331118772 is an apocalyptic number.

It is an amenable number.

42331118772 is an abundant number, since it is smaller than the sum of its proper divisors (57551298828).

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

42331118772 is a wasteful number, since it uses less digits than its factorization.

42331118772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39635975 (or 39635973 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The spelling of 42331118772 in words is "forty-two billion, three hundred thirty-one million, one hundred eighteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 39635879 79271758 118907637 158543516 237815274 475630548 3527593231 7055186462 10582779693 14110372924 21165559386 42331118772