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13242453400 = 23521161101977
BaseRepresentation
bin11000101010100111…
…11100110110011000
31021011220000100000001
430111103330312120
5204110032002100
610030011422344
7646105665601
oct142523746630
937156010001
1013242453400
115686024270
122696a549b4
1313306a1457
148d8a3cda8
15527894d6a
hex3154fcd98

13242453400 has 192 divisors, whose sum is σ = 34511585760. Its totient is φ = 4684800000.

The previous prime is 13242453391. The next prime is 13242453401. The reversal of 13242453400 is 435424231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242453401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13553712 + ... + 13554688.

Almost surely, 213242453400 is an apocalyptic number.

13242453400 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 13242453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17255792880).

13242453400 is an abundant number, since it is smaller than the sum of its proper divisors (21269132360).

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

13242453400 is a wasteful number, since it uses less digits than its factorization.

13242453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 13242453400 its reverse (435424231), we get a palindrome (13677877631).

The spelling of 13242453400 in words is "thirteen billion, two hundred forty-two million, four hundred fifty-three thousand, four hundred".