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1996117199 = 5213831319
BaseRepresentation
bin111011011111010…
…0101010011001111
312011010001021000122
41312332211103033
513042001222244
6530023415155
7100315500446
oct16676452317
95133037018
101996117199
1193483543a
124785b44bb
1325a717c4b
1414d167d5d
15ba3971ee
hex76fa54cf

1996117199 has 4 divisors (see below), whose sum is σ = 1999949040. Its totient is φ = 1992285360.

The previous prime is 1996117177. The next prime is 1996117229. The reversal of 1996117199 is 9917116991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9917116991 = 17583359823.

It is a cyclic number.

It is not a de Polignac number, because 1996117199 - 28 = 1996116943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1996117199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996113199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915139 + ... + 1916180.

It is an arithmetic number, because the mean of its divisors is an integer number (499987260).

Almost surely, 21996117199 is an apocalyptic number.

1996117199 is a deficient number, since it is larger than the sum of its proper divisors (3831841).

1996117199 is an equidigital number, since it uses as much as digits as its factorization.

1996117199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831840.

The product of its digits is 275562, while the sum is 53.

The square root of 1996117199 is about 44677.9274250720. The cubic root of 1996117199 is about 1259.1051845743.

The spelling of 1996117199 in words is "one billion, nine hundred ninety-six million, one hundred seventeen thousand, one hundred ninety-nine".

Divisors: 1 521 3831319 1996117199