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3781316707392 = 26377937395479
BaseRepresentation
bin110111000001101000000…
…010100000010001000000
3111101111020110111102011110
4313001220002200101000
5443423114034114032
612013040220043320
7540122360456220
oct67015002402100
914344213442143
103781316707392
111228713780184
12510a17393540
13215765b39443
14d1033ba6080
15685626aa7cc
hex370680a0440

3781316707392 has 224 divisors, whose sum is σ = 11609879142400. Its totient is φ = 1063829624832.

The previous prime is 3781316707373. The next prime is 3781316707457. The reversal of 3781316707392 is 2937076131873.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×37813167073922 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39555909 + ... + 39651387.

It is an arithmetic number, because the mean of its divisors is an integer number (51829817600).

Almost surely, 23781316707392 is an apocalyptic number.

3781316707392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3781316707392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5804939571200).

3781316707392 is an abundant number, since it is smaller than the sum of its proper divisors (7828562435008).

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

3781316707392 is a wasteful number, since it uses less digits than its factorization.

3781316707392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95953 (or 95943 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 3781316707392 in words is "three trillion, seven hundred eighty-one billion, three hundred sixteen million, seven hundred seven thousand, three hundred ninety-two".