Search a number
-
+
14913597440 = 21257234523
BaseRepresentation
bin11011110001110101…
…10111000000000000
31102111100120020122202
431320322313000000
5221020340104230
610503510052332
71035400325630
oct157072670000
942440506582
1014913597440
116363378545
122a8264a0a8
131538986691
14a169726c0
155c4448a45
hex378eb7000

14913597440 has 208 divisors, whose sum is σ = 42688608768. Its totient is φ = 4889837568.

The previous prime is 14913597407. The next prime is 14913597563. The reversal of 14913597440 is 4479531941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295019 + ... + 3299541.

It is an arithmetic number, because the mean of its divisors is an integer number (205233696).

Almost surely, 214913597440 is an apocalyptic number.

14913597440 is a gapful number since it is divisible by the number (10) 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 14913597440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21344304384).

14913597440 is an abundant number, since it is smaller than the sum of its proper divisors (27775011328).

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

14913597440 is an equidigital number, since it uses as much as digits as its factorization.

14913597440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 14913597440 in words is "fourteen billion, nine hundred thirteen million, five hundred ninety-seven thousand, four hundred forty".