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13112123222191 = 74739854477879
BaseRepresentation
bin1011111011001110011101…
…1100100110100010101111
31201102111200102010100221111
42332303213130212202233
53204312112021102231
643515343134212451
72522214431305120
oct276634734464257
951374612110844
1013112123222191
1141a59027aa094
121579273654127
137416110140c6
143348b71bc047
1517b122d824b1
hexbece77268af

13112123222191 has 8 divisors (see below), whose sum is σ = 15304119505920. Its totient is φ = 10999835894328.

The previous prime is 13112123222183. The next prime is 13112123222243. The reversal of 13112123222191 is 19122232121131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13112123222191 - 23 = 13112123222183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112123262191) 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, 19927238611 + ... + 19927239268.

It is an arithmetic number, because the mean of its divisors is an integer number (1913014938240).

Almost surely, 213112123222191 is an apocalyptic number.

13112123222191 is a deficient number, since it is larger than the sum of its proper divisors (2191996283729).

13112123222191 is an equidigital number, since it uses as much as digits as its factorization.

13112123222191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39854477933.

The product of its digits is 2592, while the sum is 31.

The spelling of 13112123222191 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred ninety-one".

Divisors: 1 7 47 329 39854477879 278981345153 1873160460313 13112123222191