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13140230400 = 2833521131223
BaseRepresentation
bin11000011110011100…
…00000000100000000
31020220202122212102000
430033032000010000
5203402344333100
610011520424000
7643425054423
oct141716000400
936822585360
1013140230400
115633354650
122668778000
13131545cb7b
148c922d9ba
1551d901900
hex30f380100

13140230400 has 864 divisors, whose sum is σ = 54503178240. Its totient is φ = 3068928000.

The previous prime is 13140230399. The next prime is 13140230401. The reversal of 13140230400 is 403204131.

13140230400 is a `hidden beast` number, since 1 + 31 + 4 + 0 + 230 + 400 = 666.

It is an interprime number because it is at equal distance from previous prime (13140230399) and next prime (13140230401).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140230401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58924689 + ... + 58924911.

Almost surely, 213140230400 is an apocalyptic number.

13140230400 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 13140230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27251589120).

13140230400 is an abundant number, since it is smaller than the sum of its proper divisors (41362947840).

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

13140230400 is a wasteful number, since it uses less digits than its factorization.

13140230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13140230400 its reverse (403204131), we get a palindrome (13543434531).

The spelling of 13140230400 in words is "thirteen billion, one hundred forty million, two hundred thirty thousand, four hundred".