Search a number
-
+
68414566809600 = 21437521153131
BaseRepresentation
bin11111000111001000000011…
…11100111100000000000000
322222020100221210100220000000
433203210001330330000000
532431401013100401400
6401301115040000000
720260534512616434
oct1743440174740000
9288210853326000
1068414566809600
111a887500444360
12780b250000000
132c2360996723b
1412c73d5a389c4
157d99471a8600
hex3e3901f3c000

68414566809600 has 2880 divisors, whose sum is σ = 284984444828160. Its totient is φ = 16148201472000.

The previous prime is 68414566809551. The next prime is 68414566809649. The reversal of 68414566809600 is 690866541486.

68414566809600 is a `hidden beast` number, since 6 + 8 + 4 + 1 + 4 + 566 + 8 + 0 + 9 + 60 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (68414566809551) and next prime (68414566809649).

It is a tau number, because it is divible by the number of its divisors (2880).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 522248601535 + ... + 522248601665.

It is an arithmetic number, because the mean of its divisors is an integer number (98952932232).

Almost surely, 268414566809600 is an apocalyptic number.

68414566809600 is a gapful number since it is divisible by the number (60) 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 68414566809600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142492222414080).

68414566809600 is an abundant number, since it is smaller than the sum of its proper divisors (216569878018560).

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

68414566809600 is an equidigital number, since it uses as much as digits as its factorization.

68414566809600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 68414566809600 in words is "sixty-eight trillion, four hundred fourteen billion, five hundred sixty-six million, eight hundred nine thousand, six hundred".