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14864452512 = 25371323292551
BaseRepresentation
bin11011101011111110…
…11000101110100000
31102100221002102111020
431311333120232200
5220420244440022
610454552445440
71034232522150
oct156577305640
942327072436
1014864452512
1163386611a8
122a6a0a9880
13152b73a540
14a1021c760
155bee8c35c
hex375fd8ba0

14864452512 has 384 divisors, whose sum is σ = 51859906560. Its totient is φ = 3619123200.

The previous prime is 14864452481. The next prime is 14864452529. The reversal of 14864452512 is 21525446841.

It is a happy number.

It is a super-2 number, since 2×148644525122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5825637 + ... + 5828187.

It is an arithmetic number, because the mean of its divisors is an integer number (135051840).

Almost surely, 214864452512 is an apocalyptic number.

14864452512 is a gapful number since it is divisible by the number (12) 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 14864452512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25929953280).

14864452512 is an abundant number, since it is smaller than the sum of its proper divisors (36995454048).

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

14864452512 is a wasteful number, since it uses less digits than its factorization.

14864452512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2628 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The spelling of 14864452512 in words is "fourteen billion, eight hundred sixty-four million, four hundred fifty-two thousand, five hundred twelve".