Search a number
-
+
16290395929 = 70922976581
BaseRepresentation
bin11110010101111101…
…11011011100011001
31120001022020212010101
433022332323130121
5231330320132204
611252251415401
71114456036453
oct171276733431
946038225111
1016290395929
1169aa55a635
1231a7754561
1316c7ca0742
14b077652d3
15655258ea4
hex3cafbb719

16290395929 has 4 divisors (see below), whose sum is σ = 16313373220. Its totient is φ = 16267418640.

The previous prime is 16290395917. The next prime is 16290395941. The reversal of 16290395929 is 92959309261.

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

It is an interprime number because it is at equal distance from previous prime (16290395917) and next prime (16290395941).

It can be written as a sum of positive squares in 2 ways, for example, as 1611861904 + 14678534025 = 40148^2 + 121155^2 .

It is a cyclic number.

It is not a de Polignac number, because 16290395929 - 27 = 16290395801 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 16290395929.

It is not an unprimeable number, because it can be changed into a prime (16290395629) 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, 11487582 + ... + 11488999.

It is an arithmetic number, because the mean of its divisors is an integer number (4078343305).

Almost surely, 216290395929 is an apocalyptic number.

It is an amenable number.

16290395929 is a deficient number, since it is larger than the sum of its proper divisors (22977291).

16290395929 is an equidigital number, since it uses as much as digits as its factorization.

16290395929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977290.

The product of its (nonzero) digits is 2361960, while the sum is 55.

The spelling of 16290395929 in words is "sixteen billion, two hundred ninety million, three hundred ninety-five thousand, nine hundred twenty-nine".

Divisors: 1 709 22976581 16290395929