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245311411311985 = 57310329322269991
BaseRepresentation
bin110111110001110000000011…
…100001111101010101110001
31012011120112122000222221020211
4313301300003201331111301
5224123140232243440420
62225422301231304121
7102446110312536244
oct6761600341752561
91164515560887224
10245311411311985
1171188a92480827
122361abb337b041
13a6b59c79461c5
1444811c836525b
151d561a58c5e5a
hexdf1c0387d571

245311411311985 has 32 divisors (see below), whose sum is σ = 302331710274048. Its totient is φ = 191027342062080.

The previous prime is 245311411311947. The next prime is 245311411312049. The reversal of 245311411311985 is 589113114113542.

It is a de Polignac number, because none of the positive numbers 2k-245311411311985 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119661 + ... + 22150330.

It is an arithmetic number, because the mean of its divisors is an integer number (9447865946064).

Almost surely, 2245311411311985 is an apocalyptic number.

It is an amenable number.

245311411311985 is a deficient number, since it is larger than the sum of its proper divisors (57020298962063).

245311411311985 is a wasteful number, since it uses less digits than its factorization.

245311411311985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22270465.

The product of its digits is 518400, while the sum is 49.

The spelling of 245311411311985 in words is "two hundred forty-five trillion, three hundred eleven billion, four hundred eleven million, three hundred eleven thousand, nine hundred eighty-five".

Divisors: 1 5 73 103 293 365 515 1465 7519 21389 30179 37595 106945 150895 2203067 11015335 22269991 111349955 1625709343 2293809073 6525107363 8128546715 11469045365 32625536815 167448062329 476332837499 672086058389 837240311645 2381664187495 3360430291945 49062282262397 245311411311985