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28333333332 = 2233721936341
BaseRepresentation
bin11010011000110011…
…000101101101010100
32201010121011110112000
4122120303011231110
5431011313131312
621003253355300
72022061234233
oct323063055524
981117143460
1028333333332
111101a478767
1255a8938b30
132896cb9ac5
14152ad5cb1a
15b0c65badc
hex698cc5b54

28333333332 has 48 divisors (see below), whose sum is σ = 73468987200. Its totient is φ = 9442876320.

The previous prime is 28333333307. The next prime is 28333333333. The reversal of 28333333332 is 23333333382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28333333333) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 761482 + ... + 797822.

It is an arithmetic number, because the mean of its divisors is an integer number (1530603900).

Almost surely, 228333333332 is an apocalyptic number.

It is an amenable number.

28333333332 is an abundant number, since it is smaller than the sum of its proper divisors (45135653868).

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

28333333332 is a wasteful number, since it uses less digits than its factorization.

28333333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43573 (or 43565 counting only the distinct ones).

The product of its digits is 209952, while the sum is 36.

The spelling of 28333333332 in words is "twenty-eight billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 7219 14438 21657 28876 36341 43314 64971 72682 86628 109023 129942 145364 194913 218046 259884 327069 389826 436092 654138 779652 981207 1308276 1962414 3924828 262345679 524691358 787037037 1049382716 1574074074 2361111111 3148148148 4722222222 7083333333 9444444444 14166666666 28333333332