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1299421464463 = 17327131787433
BaseRepresentation
bin10010111010001011100…
…011100000011110001111
311121020000220201210200001
4102322023203200132033
5132242203343330323
62432540155345131
7162610606131013
oct22721343403617
94536026653601
101299421464463
114610995a4951
1218ba057521a7
13956c52a5715
1446c6c7cc543
1523c032473ad
hex12e8b8e078f

1299421464463 has 16 divisors (see below), whose sum is σ = 1315908279936. Its totient is φ = 1283068097280.

The previous prime is 1299421464449. The next prime is 1299421464527. The reversal of 1299421464463 is 3644641249921.

It is a cyclic number.

It is not a de Polignac number, because 1299421464463 - 213 = 1299421456271 is a prime.

It is a super-2 number, since 2×12994214644632 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299421464433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14818195 + ... + 14905627.

It is an arithmetic number, because the mean of its divisors is an integer number (82244267496).

Almost surely, 21299421464463 is an apocalyptic number.

1299421464463 is a deficient number, since it is larger than the sum of its proper divisors (16486815473).

1299421464463 is a wasteful number, since it uses less digits than its factorization.

1299421464463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88194.

The product of its digits is 8957952, while the sum is 55.

The spelling of 1299421464463 in words is "one trillion, two hundred ninety-nine billion, four hundred twenty-one million, four hundred sixty-four thousand, four hundred sixty-three".

Divisors: 1 173 271 317 46883 54841 85907 87433 14861911 15125909 23694343 27716261 4099121339 4794913153 7511106731 1299421464463