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13485514560 = 263572387251
BaseRepresentation
bin11001000111100110…
…01001111101000000
31021210211101010020020
430203303021331000
5210104242431220
610110053213440
7655116660660
oct144363117500
937724333206
1013485514560
1157a0248761
122744331280
13136bb5471b
1491d0301a0
1553dda8040
hex323cc9f40

13485514560 has 224 divisors, whose sum is σ = 51061266432. Its totient is φ = 2948352000.

The previous prime is 13485514487. The next prime is 13485514561. The reversal of 13485514560 is 6541558431.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485514561) 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, 110935 + ... + 198185.

Almost surely, 213485514560 is an apocalyptic number.

13485514560 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 13485514560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25530633216).

13485514560 is an abundant number, since it is smaller than the sum of its proper divisors (37575751872).

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

13485514560 is a wasteful number, since it uses less digits than its factorization.

13485514560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87301 (or 87291 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 13485514560 in words is "thirteen billion, four hundred eighty-five million, five hundred fourteen thousand, five hundred sixty".