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14780138143680 = 26365731321093
BaseRepresentation
bin1101011100010100010011…
…1000100011111111000000
31221022222010020110212000000
43113011010320203333000
53414124210331044210
651233522435000000
73053554413225000
oct327050470437700
957288106425000
1014780138143680
114789248734798
1217a85a6439000
138329b8033100
143915109cc000
151a96ea660ac0
hexd7144e23fc0

14780138143680 has 2352 divisors, whose sum is σ = 66696575572800. Its totient is φ = 3115593621504.

The previous prime is 14780138143613. The next prime is 14780138143733. The reversal of 14780138143680 is 8634183108741.

14780138143680 is a `hidden beast` number, since 1 + 4 + 78 + 0 + 138 + 1 + 436 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2352).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 13522541214 + ... + 13522542306.

Almost surely, 214780138143680 is an apocalyptic number.

14780138143680 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 14780138143680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33348287786400).

14780138143680 is an abundant number, since it is smaller than the sum of its proper divisors (51916437429120).

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

14780138143680 is an equidigital number, since it uses as much as digits as its factorization.

14780138143680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 14780138143680 in words is "fourteen trillion, seven hundred eighty billion, one hundred thirty-eight million, one hundred forty-three thousand, six hundred eighty".