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12413041221 = 37191511791151
BaseRepresentation
bin10111000111101111…
…11111101001000101
31012001002022211101110
423203313333221011
5200410214304341
65411422315233
7616415052360
oct134367775105
935032284343
1012413041221
11529a924659
1224a5128b19
13122a8c1009
1485a8190d7
154c9b5d216
hex2e3dffa45

12413041221 has 64 divisors (see below), whose sum is σ = 20171980800. Its totient is φ = 6632280000.

The previous prime is 12413041139. The next prime is 12413041241. The reversal of 12413041221 is 12214031421.

It is not a de Polignac number, because 12413041221 - 213 = 12413033029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413041241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10783996 + ... + 10785146.

It is an arithmetic number, because the mean of its divisors is an integer number (315187200).

Almost surely, 212413041221 is an apocalyptic number.

It is an amenable number.

12413041221 is a deficient number, since it is larger than the sum of its proper divisors (7758939579).

12413041221 is a wasteful number, since it uses less digits than its factorization.

12413041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12413041221 its reverse (12214031421), we get a palindrome (24627072642).

The spelling of 12413041221 in words is "twelve billion, four hundred thirteen million, forty-one thousand, two hundred twenty-one".

Divisors: 1 3 7 19 21 57 133 151 179 399 453 537 1057 1151 1253 2869 3171 3401 3453 3759 8057 8607 10203 20083 21869 23807 24171 27029 60249 65607 71421 81087 153083 173801 189203 206029 459249 513551 521403 567609 618087 1216607 1442203 1540653 3302219 3594857 3649821 3914551 4326609 9906657 10784571 11743653 23115533 27401857 31110379 69346599 82205571 93331137 217772653 591097201 653317959 1773291603 4137680407 12413041221