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28835371230 = 2351915878573
BaseRepresentation
bin11010110110101110…
…001101100011011110
32202102120211122001020
4122312232031203132
5433023323334410
621125150025010
72040365416461
oct326656154336
982376748036
1028835371230
11112578a7216
125708aa8166
132947006653
1415778c52d8
15b3b778a70
hex6b6b8d8de

28835371230 has 64 divisors (see below), whose sum is σ = 69693861888. Its totient is φ = 7635251840.

The previous prime is 28835371211. The next prime is 28835371231. The reversal of 28835371230 is 3217353882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28835371231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3359224 + ... + 3367796.

It is an arithmetic number, because the mean of its divisors is an integer number (1088966592).

Almost surely, 228835371230 is an apocalyptic number.

28835371230 is an abundant number, since it is smaller than the sum of its proper divisors (40858490658).

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

28835371230 is a wasteful number, since it uses less digits than its factorization.

28835371230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361.

The product of its (nonzero) digits is 241920, while the sum is 42.

It can be divided in two parts, 28835 and 371230, that added together give a triangular number (400065 = T894).

The spelling of 28835371230 in words is "twenty-eight billion, eight hundred thirty-five million, three hundred seventy-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 587 955 1146 1174 1761 1910 2865 2935 3522 5730 5870 8573 8805 17146 17610 25719 42865 51438 85730 112117 128595 224234 257190 336351 560585 672702 1121170 1637443 1681755 3274886 3363510 4912329 5032351 8187215 9824658 10064702 15097053 16374430 24561645 25161755 30194106 49123290 50323510 75485265 150970530 961179041 1922358082 2883537123 4805895205 5767074246 9611790410 14417685615 28835371230