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12023821670 = 257821920899
BaseRepresentation
bin10110011001010110…
…01111010101100110
31011000221221102112112
423030223033111212
5144111044243140
65305040121022
7603650540450
oct131453172546
934027842475
1012023821670
115110152203
1223b6906172
1311980855a3
14820c5d2d0
154a58c8c65
hex2ccacf566

12023821670 has 32 divisors (see below), whose sum is σ = 24738912000. Its totient is φ = 4121754336.

The previous prime is 12023821669. The next prime is 12023821679. The reversal of 12023821670 is 7612832021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023821679) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 564881 + ... + 585779.

It is an arithmetic number, because the mean of its divisors is an integer number (773091000).

Almost surely, 212023821670 is an apocalyptic number.

12023821670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12023821670 is an abundant number, since it is smaller than the sum of its proper divisors (12715090330).

12023821670 is a wasteful number, since it uses less digits than its factorization.

12023821670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29132.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 12023821670 in words is "twelve billion, twenty-three million, eight hundred twenty-one thousand, six hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 8219 16438 20899 41095 41798 57533 82190 104495 115066 146293 208990 287665 292586 575330 731465 1462930 171768881 343537762 858844405 1202382167 1717688810 2404764334 6011910835 12023821670