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3128374544 = 241711501377
BaseRepresentation
bin1011101001110111…
…0011010100010000
322002000120220002212
42322131303110100
522401330441134
61234231531252
7140344513331
oct27235632420
98060526085
103128374544
111365982109
12733829b28
133ab1811c9
142196a2288
151349a0bce
hexba773510

3128374544 has 20 divisors (see below), whose sum is σ = 6417768924. Its totient is φ = 1472176128.

The previous prime is 3128374537. The next prime is 3128374547. The reversal of 3128374544 is 4454738213.

3128374544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2521244944 + 607129600 = 50212^2 + 24640^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3128374547) 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, 5750417 + ... + 5750960.

Almost surely, 23128374544 is an apocalyptic number.

3128374544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3128374544 is an abundant number, since it is smaller than the sum of its proper divisors (3289394380).

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

3128374544 is a wasteful number, since it uses less digits than its factorization.

3128374544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501402 (or 11501396 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 3128374544 is about 55931.8741327340. The cubic root of 3128374544 is about 1462.5349318756.

The spelling of 3128374544 in words is "three billion, one hundred twenty-eight million, three hundred seventy-four thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 11501377 23002754 46005508 92011016 184022032 195523409 391046818 782093636 1564187272 3128374544