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1992249026903 = 2989771890363
BaseRepresentation
bin11100111111011011010…
…010111010100101010111
321001110100021000121202102
4130333123102322211113
5230120111222330103
64123120534432315
7263635534214612
oct34773322724527
97043307017672
101992249026903
116a89a9701aa3
1228214020269b
13115b397b2a65
146c5d52cb179
1536c527c2e88
hex1cfdb4ba957

1992249026903 has 8 divisors (see below), whose sum is σ = 2084103982800. Its totient is φ = 1901937851968.

The previous prime is 1992249026899. The next prime is 1992249026941. The reversal of 1992249026903 is 3096209422991.

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

It is a cyclic number.

It is not a de Polignac number, because 1992249026903 - 22 = 1992249026899 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 (1992249026503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385942601 + ... + 385947762.

It is an arithmetic number, because the mean of its divisors is an integer number (260512997850).

Almost surely, 21992249026903 is an apocalyptic number.

1992249026903 is a deficient number, since it is larger than the sum of its proper divisors (91854955897).

1992249026903 is an equidigital number, since it uses as much as digits as its factorization.

1992249026903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771890481.

The product of its (nonzero) digits is 3779136, while the sum is 56.

The spelling of 1992249026903 in words is "one trillion, nine hundred ninety-two billion, two hundred forty-nine million, twenty-six thousand, nine hundred three".

Divisors: 1 29 89 2581 771890363 22384820527 68698242307 1992249026903