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12150022311 = 327247619947
BaseRepresentation
bin10110101000011001…
…01010000010100111
31011100202102002021100
423110030222002213
5144340401203221
65325345051143
7610042325400
oct132414520247
934322362240
1012150022311
115175409659
122431026ab3
1311b827091b
148339109a7
154b1a06926
hex2d432a0a7

12150022311 has 72 divisors (see below), whose sum is σ = 20905447680. Its totient is φ = 6777007776.

The previous prime is 12150022307. The next prime is 12150022319. The reversal of 12150022311 is 11322005121.

It is not a de Polignac number, because 12150022311 - 22 = 12150022307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150022319) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12829540 + ... + 12830486.

It is an arithmetic number, because the mean of its divisors is an integer number (290353440).

Almost surely, 212150022311 is an apocalyptic number.

12150022311 is a deficient number, since it is larger than the sum of its proper divisors (8755425369).

12150022311 is a wasteful number, since it uses less digits than its factorization.

12150022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12150022311 its reverse (11322005121), we get a palindrome (23472027432).

The spelling of 12150022311 in words is "twelve billion, one hundred fifty million, twenty-two thousand, three hundred eleven".

Divisors: 1 3 7 9 21 47 49 63 141 147 329 423 441 619 947 987 1857 2303 2841 2961 4333 5571 6629 6909 8523 12999 19887 20727 29093 30331 38997 44509 46403 59661 87279 90993 133527 139209 203651 261837 272979 311563 400581 417627 586193 610953 934689 1425557 1758579 1832859 2180941 2804067 4103351 4276671 5275737 6542823 12310053 12830013 19628469 27551071 28723457 36930159 82653213 86170371 192857497 247959639 258511113 578572491 1350002479 1735717473 4050007437 12150022311