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13443944923080 = 233457231127137157
BaseRepresentation
bin1100001110100010100110…
…0011111011111111001000
31202121020011122012021220000
43003220221203323333020
53230231144400014310
644332021341003000
72555202326235600
oct303505143737710
952536148167800
1013443944923080
1143135aa476241
121611639b53460
137669b2755509
1434699468dc00
15184a9405d4c0
hexc3a298fbfc8

13443944923080 has 1920 divisors, whose sum is σ = 55436889784320. Its totient is φ = 2910169866240.

The previous prime is 13443944923067. The next prime is 13443944923099. The reversal of 13443944923080 is 8032944934431.

13443944923080 is a `hidden beast` number, since 1 + 3 + 4 + 43 + 9 + 4 + 492 + 30 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 85630222362 + ... + 85630222518.

It is an arithmetic number, because the mean of its divisors is an integer number (28873380096).

Almost surely, 213443944923080 is an apocalyptic number.

13443944923080 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 13443944923080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27718444892160).

13443944923080 is an abundant number, since it is smaller than the sum of its proper divisors (41992944861240).

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

13443944923080 is a wasteful number, since it uses less digits than its factorization.

13443944923080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 13443944923080 in words is "thirteen trillion, four hundred forty-three billion, nine hundred forty-four million, nine hundred twenty-three thousand, eighty".