Search a number
-
+
28500732494 = 2136047181277
BaseRepresentation
bin11010100010110001…
…101010101001001110
32201120021011012222222
4122202301222221032
5431332141414434
621032033335342
72026163141363
oct324261525116
981507135888
1028500732494
11110a5a14183
125634a07552
1328c289b370
14154529646a
15b1c1c672e
hex6a2c6aa4e

28500732494 has 16 divisors (see below), whose sum is σ = 46047512448. Its totient is φ = 13151936352.

The previous prime is 28500732467. The next prime is 28500732521. The reversal of 28500732494 is 49423700582.

It is an interprime number because it is at equal distance from previous prime (28500732467) and next prime (28500732521).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66584 + ... + 247860.

It is an arithmetic number, because the mean of its divisors is an integer number (2877969528).

Almost surely, 228500732494 is an apocalyptic number.

28500732494 is a deficient number, since it is larger than the sum of its proper divisors (17546779954).

28500732494 is a wasteful number, since it uses less digits than its factorization.

28500732494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187339.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 28500732494 in words is "twenty-eight billion, five hundred million, seven hundred thirty-two thousand, four hundred ninety-four".

Divisors: 1 2 13 26 6047 12094 78611 157222 181277 362554 2356601 4713202 1096182019 2192364038 14250366247 28500732494