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28472683268 = 22597110971549
BaseRepresentation
bin11010100001000110…
…101010101100000100
32201111022101011200202
4122201012222230010
5431303001331033
621025152230032
72025402546251
oct324106525404
981438334622
1028472683268
11110910a63a7
12562753b318
1328b9b2a2a3
141541674428
15b199d58e8
hex6a11aab04

28472683268 has 48 divisors (see below), whose sum is σ = 51465456000. Its totient is φ = 13776456960.

The previous prime is 28472683247. The next prime is 28472683289. The reversal of 28472683268 is 86238627482.

It is an interprime number because it is at equal distance from previous prime (28472683247) and next prime (28472683289).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18380558 + ... + 18382106.

It is an arithmetic number, because the mean of its divisors is an integer number (1072197000).

Almost surely, 228472683268 is an apocalyptic number.

It is an amenable number.

28472683268 is a deficient number, since it is larger than the sum of its proper divisors (22992772732).

28472683268 is a wasteful number, since it uses less digits than its factorization.

28472683268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 56.

The spelling of 28472683268 in words is "twenty-eight billion, four hundred seventy-two million, six hundred eighty-three thousand, two hundred sixty-eight".

Divisors: 1 2 4 59 71 118 142 236 284 1097 1549 2194 3098 4189 4388 6196 8378 16756 64723 77887 91391 109979 129446 155774 182782 219958 258892 311548 365564 439916 1699253 3398506 4595333 6488761 6797012 9190666 12977522 18381332 25955044 100255927 120646963 200511854 241293926 401023708 482587852 7118170817 14236341634 28472683268