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12901226010 = 2352397192757
BaseRepresentation
bin11000000001111100…
…10001011000011010
31020022002221012000120
430000332101120122
5202410203213020
65532102014110
7634463416551
oct140076213032
936262835016
1012901226010
115520451062
122600717336
1312a7a9a25a
148a55b6d98
15507940740
hex300f9161a

12901226010 has 64 divisors (see below), whose sum is σ = 32642410752. Its totient is φ = 3256805376.

The previous prime is 12901226003. The next prime is 12901226089. The reversal of 12901226010 is 1062210921.

It is a super-2 number, since 2×129012260102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29449 + ... + 163308.

It is an arithmetic number, because the mean of its divisors is an integer number (510037668).

Almost surely, 212901226010 is an apocalyptic number.

12901226010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12901226010 is an abundant number, since it is smaller than the sum of its proper divisors (19741184742).

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

12901226010 is a wasteful number, since it uses less digits than its factorization.

12901226010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192887.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 12901226010 its reverse (1062210921), we get a palindrome (13963436931).

The spelling of 12901226010 in words is "twelve billion, nine hundred one million, two hundred twenty-six thousand, ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 97 115 138 194 230 291 345 485 582 690 970 1455 2231 2910 4462 6693 11155 13386 22310 33465 66930 192757 385514 578271 963785 1156542 1927570 2891355 4433411 5782710 8866822 13300233 18697429 22167055 26600466 37394858 44334110 56092287 66501165 93487145 112184574 133002330 186974290 280461435 430040867 560922870 860081734 1290122601 2150204335 2580245202 4300408670 6450613005 12901226010