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13254230132 = 221121317237197
BaseRepresentation
bin11000101100000001…
…11000000001110100
31021012201011122122022
430112000320001310
5204121040331012
610031112052312
7646311045233
oct142600700164
937181148568
1013254230132
115691738300
12269a994098
131332c65930
148da426b1a
1552891e472
hex316038074

13254230132 has 216 divisors, whose sum is σ = 30106819512. Its totient is φ = 5066772480.

The previous prime is 13254230111. The next prime is 13254230137. The reversal of 13254230132 is 23103245231.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 852289636 + 12401940496 = 29194^2 + 111364^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13254230137) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67280258 + ... + 67280454.

Almost surely, 213254230132 is an apocalyptic number.

It is an amenable number.

13254230132 is an abundant number, since it is smaller than the sum of its proper divisors (16852589380).

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

13254230132 is a wasteful number, since it uses less digits than its factorization.

13254230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13254230132 its reverse (23103245231), we get a palindrome (36357475363).

The spelling of 13254230132 in words is "thirteen billion, two hundred fifty-four million, two hundred thirty thousand, one hundred thirty-two".