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12111113773 = 1168310871483
BaseRepresentation
bin10110100011110000…
…01110111000101101
31011021001012022210101
423101320032320231
5144300421120043
65321435111101
7606060524413
oct132170167055
934231168711
1012111113773
115155454040
12241bba2491
1311b0199b15
1482c6a32b3
154ad3bd24d
hex2d1e0ee2d

12111113773 has 16 divisors (see below), whose sum is σ = 13252571136. Its totient is φ = 10976462640.

The previous prime is 12111113743. The next prime is 12111113801. The reversal of 12111113773 is 37731111121.

It is not a de Polignac number, because 12111113773 - 213 = 12111105581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111113743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8165890 + ... + 8167372.

It is an arithmetic number, because the mean of its divisors is an integer number (828285696).

Almost surely, 212111113773 is an apocalyptic number.

It is an amenable number.

12111113773 is a deficient number, since it is larger than the sum of its proper divisors (1141457363).

12111113773 is a wasteful number, since it uses less digits than its factorization.

12111113773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264.

The product of its digits is 882, while the sum is 28.

Adding to 12111113773 its reverse (37731111121), we get a palindrome (49842224894).

The spelling of 12111113773 in words is "twelve billion, one hundred eleven million, one hundred thirteen thousand, seven hundred seventy-three".

Divisors: 1 11 683 1087 1483 7513 11957 16313 742421 1012889 1612021 8166631 11141779 17732231 1101010343 12111113773