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14981645952 = 27357136779
BaseRepresentation
bin11011111001111100…
…11100011010000000
31102200002121110200000
431330332130122000
5221140300132302
610514340400000
71040154614040
oct157476343200
942602543600
1014981645952
116398826389
122aa13a6000
131549ac0b80
14a21a07720
155ca3db31c
hex37cf9c680

14981645952 has 768 divisors, whose sum is σ = 56553369600. Its totient is φ = 3842961408.

The previous prime is 14981645951. The next prime is 14981645969. The reversal of 14981645952 is 25954618941.

14981645952 is a `hidden beast` number, since 1 + 49 + 8 + 1 + 6 + 4 + 595 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (14981645951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 189641049 + ... + 189641127.

It is an arithmetic number, because the mean of its divisors is an integer number (73637200).

Almost surely, 214981645952 is an apocalyptic number.

14981645952 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 14981645952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28276684800).

14981645952 is an abundant number, since it is smaller than the sum of its proper divisors (41571723648).

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

14981645952 is an equidigital number, since it uses as much as digits as its factorization.

14981645952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 171 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 14981645952 in words is "fourteen billion, nine hundred eighty-one million, six hundred forty-five thousand, nine hundred fifty-two".