Base | Representation |
---|---|
bin | 100111001111001110… |
… | …100001001100010000 |
3 | 11000202012122122020210 |
4 | 213033032201030100 |
5 | 1142241114122334 |
6 | 31204354004120 |
7 | 3021024644253 |
oct | 471716411420 |
9 | 130665578223 |
10 | 42131395344 |
11 | 1696008a9a5 |
12 | 81b9876640 |
13 | 3c8581353c |
14 | 20796ab09a |
15 | 1168ba15e9 |
hex | 9cf3a1310 |
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".
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