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12274285238 = 2167239153763
BaseRepresentation
bin10110110111001101…
…01011101010110110
31011200102020021221222
423123212223222312
5200114204111423
65345544310342
7613111463105
oct133346535266
934612207858
1012274285238
115229572196
1224667723b2
131207c2ac97
1484621a03c
154bc8a03c8
hex2db9abab6

12274285238 has 16 divisors (see below), whose sum is σ = 18599293440. Its totient is φ = 6074829096.

The previous prime is 12274285237. The next prime is 12274285241. The reversal of 12274285238 is 83258247221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274285237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 156707.

It is an arithmetic number, because the mean of its divisors is an integer number (1162455840).

Almost surely, 212274285238 is an apocalyptic number.

12274285238 is a deficient number, since it is larger than the sum of its proper divisors (6325008202).

12274285238 is a wasteful number, since it uses less digits than its factorization.

12274285238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154171.

The product of its digits is 430080, while the sum is 44.

The spelling of 12274285238 in words is "twelve billion, two hundred seventy-four million, two hundred eighty-five thousand, two hundred thirty-eight".

Divisors: 1 2 167 239 334 478 39913 79826 153763 307526 25678421 36749357 51356842 73498714 6137142619 12274285238