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11968280342485 = 53177214711887
BaseRepresentation
bin1010111000101001010100…
…0110010010111111010101
31120101011020000221112210021
42232022111012102333111
53032042014231424420
641242052503425141
72343452100246625
oct256122506227725
946334200845707
1011968280342485
1138a47a0271715
121413648a551b1
1368a7b0c8797c
142d53a7012885
1515b4c835d7aa
hexae295192fd5

11968280342485 has 8 divisors (see below), whose sum is σ = 14825224682496. Its totient is φ = 9265765426320.

The previous prime is 11968280342467. The next prime is 11968280342489. The reversal of 11968280342485 is 58424308286911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11968280342485 - 221 = 11968278245333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968280342489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38607355789 + ... + 38607356098.

It is an arithmetic number, because the mean of its divisors is an integer number (1853153085312).

Almost surely, 211968280342485 is an apocalyptic number.

It is an amenable number.

11968280342485 is a deficient number, since it is larger than the sum of its proper divisors (2856944340011).

11968280342485 is an equidigital number, since it uses as much as digits as its factorization.

11968280342485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77214711923.

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 11968280342485 in words is "eleven trillion, nine hundred sixty-eight billion, two hundred eighty million, three hundred forty-two thousand, four hundred eighty-five".

Divisors: 1 5 31 155 77214711887 386073559435 2393656068497 11968280342485