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28357875382 = 2431978092069
BaseRepresentation
bin11010011010010000…
…101101011010110110
32201012022100022212211
4122122100231122312
5431034104003012
621005531404034
72022506651344
oct323220553266
981168308784
1028357875382
1111032310551
1255b4bb361a
13289c100725
14153030a994
15b0e8a86a7
hex69a42d6b6

28357875382 has 32 divisors (see below), whose sum is σ = 43822231200. Its totient is φ = 13755211008.

The previous prime is 28357875341. The next prime is 28357875401.

28357875382 is nontrivially palindromic in base 10.

It is a congruent number.

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, 13705044 + ... + 13707112.

It is an arithmetic number, because the mean of its divisors is an integer number (1369444725).

Almost surely, 228357875382 is an apocalyptic number.

28357875382 is a deficient number, since it is larger than the sum of its proper divisors (15464355818).

28357875382 is a wasteful number, since it uses less digits than its factorization.

28357875382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its digits is 22579200, while the sum is 58.

The spelling of 28357875382 in words is "twenty-eight billion, three hundred fifty-seven million, eight hundred seventy-five thousand, three hundred eighty-two".

Divisors: 1 2 43 86 197 394 809 1618 2069 4138 8471 16942 34787 69574 88967 159373 177934 318746 407593 815186 1673821 3347642 6853039 13706078 17526499 35052998 71974303 143948606 329742737 659485474 14178937691 28357875382