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13273025472 = 26377192331
BaseRepresentation
bin11000101110010001…
…00100101111000000
31021021000112120000000
430113020210233000
5204140343303342
610033023000000
7646626566160
oct142710445700
937230476000
1013273025472
1156a1305543
1226a5139000
131336b16935
148dcb1a5a0
1552a3d344c
hex317224bc0

13273025472 has 896 divisors, whose sum is σ = 51186892800. Its totient is φ = 3325639680.

The previous prime is 13273025471. The next prime is 13273025497. The reversal of 13273025472 is 27452037231.

13273025472 is a `hidden beast` number, since 132 + 7 + 30 + 25 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13273025471) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 428162097 + ... + 428162127.

Almost surely, 213273025472 is an apocalyptic number.

13273025472 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 13273025472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25593446400).

13273025472 is an abundant number, since it is smaller than the sum of its proper divisors (37913867328).

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

13273025472 is an equidigital number, since it uses as much as digits as its factorization.

13273025472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 13273025472 in words is "thirteen billion, two hundred seventy-three million, twenty-five thousand, four hundred seventy-two".