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42131395344 = 2432921043683
BaseRepresentation
bin100111001111001110…
…100001001100010000
311000202012122122020210
4213033032201030100
51142241114122334
631204354004120
73021024644253
oct471716411420
9130665578223
1042131395344
111696008a9a5
1281b9876640
133c8581353c
1420796ab09a
151168ba15e9
hex9cf3a1310

42131395344 has 60 divisors (see below), whose sum is σ = 112722046736. Its totient is φ = 13559516544.

The previous prime is 42131395343. The next prime is 42131395351. The reversal of 42131395344 is 44359313124.

It is not an unprimeable number, because it can be changed into a prime (42131395343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481474 + ... + 562209.

Almost surely, 242131395344 is an apocalyptic number.

It is an amenable number.

42131395344 is an abundant number, since it is smaller than the sum of its proper divisors (70590651392).

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

42131395344 is a wasteful number, since it uses less digits than its factorization.

42131395344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043752 (or 1043717 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 42131395344 in words is "forty-two billion, one hundred thirty-one million, three hundred ninety-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 841 1392 1682 2523 3364 5046 6728 10092 13456 20184 40368 1043683 2087366 3131049 4174732 6262098 8349464 12524196 16698928 25048392 30266807 50096784 60533614 90800421 121067228 181600842 242134456 363201684 484268912 726403368 877737403 1452806736 1755474806 2633212209 3510949612 5266424418 7021899224 10532848836 14043798448 21065697672 42131395344