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12423440302311 = 31911171254115559
BaseRepresentation
bin1011010011001000111010…
…1111110000000011100111
31121222200001220201012121010
42310302032233300003213
53112021201204133221
642231125533153303
72421364301132223
oct264621657600347
947880056635533
1012423440302311
113a5a82a199275
1214878b502b833
136c16aa39c99c
1430d424d25783
151682675edc76
hexb4c8ebf00e7

12423440302311 has 32 divisors (see below), whose sum is σ = 17454530828800. Its totient is φ = 7838229928320.

The previous prime is 12423440302279. The next prime is 12423440302327. The reversal of 12423440302311 is 11320304432421.

It is not a de Polignac number, because 12423440302311 - 25 = 12423440302279 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 (12423440302381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 798465150 + ... + 798480708.

It is an arithmetic number, because the mean of its divisors is an integer number (545454088400).

Almost surely, 212423440302311 is an apocalyptic number.

12423440302311 is a deficient number, since it is larger than the sum of its proper divisors (5031090526489).

12423440302311 is a wasteful number, since it uses less digits than its factorization.

12423440302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29239.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 12423440302311 its reverse (11320304432421), we get a palindrome (23743744734732).

The spelling of 12423440302311 in words is "twelve trillion, four hundred twenty-three billion, four hundred forty million, three hundred two thousand, three hundred eleven".

Divisors: 1 3 19 57 1117 3351 12541 15559 21223 37623 46677 63669 238279 295621 714837 886863 14008297 17379403 42024891 52138209 195125419 266157643 330208657 585376257 798472929 990625971 3707382961 11122148883 217955093023 653865279069 4141146767437 12423440302311