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11881229030 = 25111010310691
BaseRepresentation
bin10110001000010110…
…10010101011100110
31010200000121222012122
423010023102223212
5143313043312110
65242543545542
7600266531456
oct130413225346
933600558178
1011881229030
11504770a250
122376bbb2b2
13117467b148
14809d41d66
1549810e255
hex2c42d2ae6

11881229030 has 32 divisors (see below), whose sum is σ = 23334905088. Its totient is φ = 4319615200.

The previous prime is 11881229027. The next prime is 11881229077. The reversal of 11881229030 is 3092218811.

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, 1105985 + ... + 1116675.

It is an arithmetic number, because the mean of its divisors is an integer number (729215784).

Almost surely, 211881229030 is an apocalyptic number.

11881229030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11881229030 is a deficient number, since it is larger than the sum of its proper divisors (11453676058).

11881229030 is a wasteful number, since it uses less digits than its factorization.

11881229030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 11881229030 in words is "eleven billion, eight hundred eighty-one million, two hundred twenty-nine thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 10103 10691 20206 21382 50515 53455 101030 106910 111133 117601 222266 235202 555665 588005 1111330 1176010 108011173 216022346 540055865 1080111730 1188122903 2376245806 5940614515 11881229030