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42717295072 = 251970258709
BaseRepresentation
bin100111110010001001…
…100011000111100000
311002021001010102120201
4213302021203013200
51144441111420242
631342443514544
73041401005604
oct476211430740
9132231112521
1042717295072
1117130888051
128341b28a54
13404a01317a
1420d3423504
1511a03364b7
hex9f22631e0

42717295072 has 24 divisors (see below), whose sum is σ = 88525974600. Its totient is φ = 20234507904.

The previous prime is 42717295069. The next prime is 42717295073. The reversal of 42717295072 is 27059271724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42717295073) 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, 35128747 + ... + 35129962.

It is an arithmetic number, because the mean of its divisors is an integer number (3688582275).

Almost surely, 242717295072 is an apocalyptic number.

It is an amenable number.

42717295072 is an abundant number, since it is smaller than the sum of its proper divisors (45808679528).

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

42717295072 is a wasteful number, since it uses less digits than its factorization.

42717295072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70258738 (or 70258730 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 42717295072 in words is "forty-two billion, seven hundred seventeen million, two hundred ninety-five thousand, seventy-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 70258709 140517418 281034836 562069672 1124139344 1334915471 2248278688 2669830942 5339661884 10679323768 21358647536 42717295072