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28733291382 = 2310346493999
BaseRepresentation
bin11010110000101000…
…110011101101110110
32202011110202102211010
4122300220303231312
5432321210311012
621111102053050
72035015642545
oct326050635566
982143672733
1028733291382
1111205215104
12569a87a186
13292bb15283
14156811215c
15b32812c3c
hex6b0a33b76

28733291382 has 16 divisors (see below), whose sum is σ = 58024512000. Its totient is φ = 9484775592.

The previous prime is 28733291341. The next prime is 28733291417. The reversal of 28733291382 is 28319233782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23246382 + ... + 23247617.

It is an arithmetic number, because the mean of its divisors is an integer number (3626532000).

Almost surely, 228733291382 is an apocalyptic number.

28733291382 is an abundant number, since it is smaller than the sum of its proper divisors (29291220618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28733291382 is a wasteful number, since it uses less digits than its factorization.

28733291382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46494107.

The product of its digits is 870912, while the sum is 48.

The spelling of 28733291382 in words is "twenty-eight billion, seven hundred thirty-three million, two hundred ninety-one thousand, three hundred eighty-two".

Divisors: 1 2 3 6 103 206 309 618 46493999 92987998 139481997 278963994 4788881897 9577763794 14366645691 28733291382