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28695052770 = 2352353784661
BaseRepresentation
bin11010101110010110…
…111100000111100010
32202001210210201022020
4122232112330013202
5432231413142040
621103214322310
72034042631656
oct325626740742
982053721266
1028695052770
111119567794a
125689ab9396
132923c17387
141562ddaa66
15b2e2accd0
hex6ae5bc1e2

28695052770 has 64 divisors (see below), whose sum is σ = 73218380544. Its totient is φ = 7181208320.

The previous prime is 28695052759. The next prime is 28695052781. The reversal of 28695052770 is 7725059682.

It is an interprime number because it is at equal distance from previous prime (28695052759) and next prime (28695052781).

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 31 ways as a sum of consecutive naturals, for example, 355761 + ... + 428900.

It is an arithmetic number, because the mean of its divisors is an integer number (1144037196).

Almost surely, 228695052770 is an apocalyptic number.

28695052770 is an abundant number, since it is smaller than the sum of its proper divisors (44523327774).

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

28695052770 is a wasteful number, since it uses less digits than its factorization.

28695052770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784747.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 28695052770 in words is "twenty-eight billion, six hundred ninety-five million, fifty-two thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 53 69 106 115 138 159 230 265 318 345 530 690 795 1219 1590 2438 3657 6095 7314 12190 18285 36570 784661 1569322 2353983 3923305 4707966 7846610 11769915 18047203 23539830 36094406 41587033 54141609 83174066 90236015 108283218 124761099 180472030 207935165 249522198 270708045 415870330 541416090 623805495 956501759 1247610990 1913003518 2869505277 4782508795 5739010554 9565017590 14347526385 28695052770