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12569890990 = 2519233283937
BaseRepresentation
bin10111011010011100…
…10101000010101110
31012110000110121211011
423231032111002232
5201220343002430
65435144215434
7623331211336
oct135516250256
935400417734
1012569890990
115370415168
12252976a57a
13125424a927
148735a80c6
154d87e222a
hex2ed3950ae

12569890990 has 32 divisors (see below), whose sum is σ = 23918937120. Its totient is φ = 4742866944.

The previous prime is 12569890979. The next prime is 12569890999. The reversal of 12569890990 is 9909896521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12569890999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97699 + ... + 186238.

It is an arithmetic number, because the mean of its divisors is an integer number (747466785).

Almost surely, 212569890990 is an apocalyptic number.

12569890990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12569890990 is a deficient number, since it is larger than the sum of its proper divisors (11349046130).

12569890990 is a wasteful number, since it uses less digits than its factorization.

12569890990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284196.

The product of its (nonzero) digits is 3149280, while the sum is 58.

The spelling of 12569890990 in words is "twelve billion, five hundred sixty-nine million, eight hundred ninety thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 233 466 1165 2330 4427 8854 22135 44270 283937 567874 1419685 2839370 5394803 10789606 26974015 53948030 66157321 132314642 330786605 661573210 1256989099 2513978198 6284945495 12569890990