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3685132052640 = 25355194988537
BaseRepresentation
bin110101101000000010111…
…111001010100010100000
3111001021222012002200200000
4311220002333022202200
5440334122301141030
611500532025100000
7530146002421233
oct65500277124240
914037865080600
103685132052640
1111a0945a77475
124b6253327600
1320967790794c
14ca50b74d41a
1565cd33bd860
hex35a02fca8a0

3685132052640 has 288 divisors, whose sum is σ = 13727658409920. Its totient is φ = 930980542464.

The previous prime is 3685132052627. The next prime is 3685132052677. The reversal of 3685132052640 is 462502315863.

3685132052640 is a `hidden beast` number, since 3 + 6 + 8 + 51 + 32 + 0 + 526 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1755549 + ... + 3232988.

It is an arithmetic number, because the mean of its divisors is an integer number (47665480590).

Almost surely, 23685132052640 is an apocalyptic number.

3685132052640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3685132052640 is an abundant number, since it is smaller than the sum of its proper divisors (10042526357280).

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

3685132052640 is a wasteful number, since it uses less digits than its factorization.

3685132052640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988586 (or 4988566 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 3685132052640 in words is "three trillion, six hundred eighty-five billion, one hundred thirty-two million, fifty-two thousand, six hundred forty".