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19432095829 = 87977220877
BaseRepresentation
bin10010000110001111…
…100100000001010101
31212011020220202011221
4102012033210001111
5304244104031304
612532121130341
71255355042416
oct220617440125
955136822157
1019432095829
118271a03233
1239239299b1
131aa8b38c73
14d24ad580d
1578ae8d054
hex4863e4055

19432095829 has 4 divisors (see below), whose sum is σ = 19432404684. Its totient is φ = 19431786976.

The previous prime is 19432095811. The next prime is 19432095833. The reversal of 19432095829 is 92859023491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18707947729 + 724148100 = 136777^2 + 26910^2 .

It is a cyclic number.

It is not a de Polignac number, because 19432095829 - 29 = 19432095317 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 (19432095229) 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, 22462 + ... + 198415.

It is an arithmetic number, because the mean of its divisors is an integer number (4858101171).

Almost surely, 219432095829 is an apocalyptic number.

It is an amenable number.

19432095829 is a deficient number, since it is larger than the sum of its proper divisors (308855).

19432095829 is an equidigital number, since it uses as much as digits as its factorization.

19432095829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308854.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 19432095829 in words is "nineteen billion, four hundred thirty-two million, ninety-five thousand, eight hundred twenty-nine".

Divisors: 1 87977 220877 19432095829