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42872865742 = 2719161176187
BaseRepresentation
bin100111111011011011…
…000000001111001110
311002122212212020102101
4213323123000033032
51200300423200432
631410122145314
73045300226450
oct477333001716
9132585766371
1042872865742
1117200684653
12838605223a
134073312815
142109d5c2d0
1511add164e7
hex9fb6c03ce

42872865742 has 16 divisors (see below), whose sum is σ = 77364570240. Its totient is φ = 17407028088.

The previous prime is 42872865701. The next prime is 42872865757. The reversal of 42872865742 is 24756827824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80587828 + ... + 80588359.

It is an arithmetic number, because the mean of its divisors is an integer number (4835285640).

Almost surely, 242872865742 is an apocalyptic number.

42872865742 is a deficient number, since it is larger than the sum of its proper divisors (34491704498).

42872865742 is a wasteful number, since it uses less digits than its factorization.

42872865742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161176215.

The product of its digits is 12042240, while the sum is 55.

The spelling of 42872865742 in words is "forty-two billion, eight hundred seventy-two million, eight hundred sixty-five thousand, seven hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 161176187 322352374 1128233309 2256466618 3062347553 6124695106 21436432871 42872865742