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14555139456 = 2731113733631
BaseRepresentation
bin11011000111000110…
…11100110110000000
31101120101001200202010
431203203130312000
5214302103430311
610404143052520
71023455433624
oct154343346600
941511050663
1014555139456
116199aa6780
1229a25a1140
1314ac62b770
149c1103184
155a2c3dda6
hex3638dcd80

14555139456 has 256 divisors, whose sum is σ = 46056084480. Its totient is φ = 4014489600.

The previous prime is 14555139451. The next prime is 14555139497. The reversal of 14555139456 is 65493155541.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14555139451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4006761 + ... + 4010391.

It is an arithmetic number, because the mean of its divisors is an integer number (179906580).

Almost surely, 214555139456 is an apocalyptic number.

14555139456 is a gapful number since it is divisible by the number (16) 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 14555139456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23028042240).

14555139456 is an abundant number, since it is smaller than the sum of its proper divisors (31500945024).

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

14555139456 is a wasteful number, since it uses less digits than its factorization.

14555139456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3733 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 48.

The spelling of 14555139456 in words is "fourteen billion, five hundred fifty-five million, one hundred thirty-nine thousand, four hundred fifty-six".