Search a number
-
+
13431629433600 = 28355272434099
BaseRepresentation
bin1100001101110100101110…
…0000000100101100000000
31202120001101100102121100000
43003131023200010230000
53230030434113333400
644322223321200000
72554255204300500
oct303351340045400
952501340377300
1013431629433600
11430935a720764
12160b181630000
1376579c12b831
14346146bc9a00
151845c2c6e600
hexc374b804b00

13431629433600 has 1944 divisors, whose sum is σ = 59291899867200. Its totient is φ = 2997957795840.

The previous prime is 13431629433517. The next prime is 13431629433653. The reversal of 13431629433600 is 633492613431.

13431629433600 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 1 + 6 + 2 + 9 + 4 + 33 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (1944).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 3276804351 + ... + 3276808449.

Almost surely, 213431629433600 is an apocalyptic number.

13431629433600 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 13431629433600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29645949933600).

13431629433600 is an abundant number, since it is smaller than the sum of its proper divisors (45860270433600).

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

13431629433600 is an equidigital number, since it uses as much as digits as its factorization.

13431629433600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197 (or 4159 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 13431629433600 in words is "thirteen trillion, four hundred thirty-one billion, six hundred twenty-nine million, four hundred thirty-three thousand, six hundred".