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12102311100313 = 71728901585759
BaseRepresentation
bin1011000000011100100111…
…1101000011111110011001
31120211222011212110111200001
42300013021331003332121
53041241013120202223
641423420332013001
72356235360013550
oct260071175037631
946758155414601
1012102311100313
11394661a122865
121435613601161
1369a320c5cab5
142dba7d95ad97
1515ec1eec09ad
hexb01c9f43f99

12102311100313 has 4 divisors (see below), whose sum is σ = 13831212686080. Its totient is φ = 10373409514548.

The previous prime is 12102311100307. The next prime is 12102311100317. The reversal of 12102311100313 is 31300111320121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12102311100313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102311100317) 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 3 ways as a sum of consecutive naturals, for example, 864450792873 + ... + 864450792886.

It is an arithmetic number, because the mean of its divisors is an integer number (3457803171520).

Almost surely, 212102311100313 is an apocalyptic number.

It is an amenable number.

12102311100313 is a deficient number, since it is larger than the sum of its proper divisors (1728901585767).

12102311100313 is an equidigital number, since it uses as much as digits as its factorization.

12102311100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728901585766.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12102311100313 its reverse (31300111320121), we get a palindrome (43402422420434).

The spelling of 12102311100313 in words is "twelve trillion, one hundred two billion, three hundred eleven million, one hundred thousand, three hundred thirteen".

Divisors: 1 7 1728901585759 12102311100313