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13453489152 = 210334311129
BaseRepresentation
bin11001000011110001…
…11111010000000000
31021201121010001122000
430201320333100000
5210023043123102
610102550544000
7654250525305
oct144170772000
937647101560
1013453489152
115784164584
122735668000
13136532088c
14918a950ac
1553b17e01c
hex321e3f400

13453489152 has 176 divisors, whose sum is σ = 39970540800. Its totient is φ = 4470128640.

The previous prime is 13453489069. The next prime is 13453489157. The reversal of 13453489152 is 25198435431.

13453489152 is a `hidden beast` number, since 1 + 3 + 453 + 48 + 9 + 152 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13453489098 and 13453489107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453489157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11915724 + ... + 11916852.

Almost surely, 213453489152 is an apocalyptic number.

13453489152 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 13453489152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19985270400).

13453489152 is an abundant number, since it is smaller than the sum of its proper divisors (26517051648).

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

13453489152 is a wasteful number, since it uses less digits than its factorization.

13453489152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1565 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 13453489152 in words is "thirteen billion, four hundred fifty-three million, four hundred eighty-nine thousand, one hundred fifty-two".