Search a number
-
+
29135054592000 = 21135537232909
BaseRepresentation
bin1101001111111100010001…
…00101000101100000000000
310211011021200001022110100000
412213332020211011200000
512304322042433421000
6141544243113200000
76064636545623310
oct647761045054000
9124137601273300
1029135054592000
11931311a84a055
12332669aa00000
1313345682ac396
1472a203841440
15357d0a013000
hex1a7f88945800

29135054592000 has 2304 divisors, whose sum is σ = 129919429785600. Its totient is φ = 6367710412800.

The previous prime is 29135054591947. The next prime is 29135054592001. The reversal of 29135054592000 is 29545053192.

29135054592000 is a `hidden beast` number, since 2 + 9 + 1 + 3 + 5 + 0 + 54 + 592 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29135054592001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10015486546 + ... + 10015489454.

It is an arithmetic number, because the mean of its divisors is an integer number (56388641400).

Almost surely, 229135054592000 is an apocalyptic number.

29135054592000 is a gapful number since it is divisible by the number (20) 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 29135054592000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64959714892800).

29135054592000 is an abundant number, since it is smaller than the sum of its proper divisors (100784375193600).

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

29135054592000 is an equidigital number, since it uses as much as digits as its factorization.

29135054592000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 29135054592000 in words is "twenty-nine trillion, one hundred thirty-five billion, fifty-four million, five hundred ninety-two thousand".