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13107241778471 = 17771014222263
BaseRepresentation
bin1011111010111100010001…
…1111010111110100100111
31201102001002012211100000122
42332233010133113310213
53204222112343402341
643513214520032155
72521652445566561
oct276570437276447
951361065740018
1013107241778471
1141a3828308185
12157833090265b
137410138c5279
14334572b7c331
1517ae3954894b
hexbebc47d7d27

13107241778471 has 4 divisors (see below), whose sum is σ = 13878256000752. Its totient is φ = 12336227556192.

The previous prime is 13107241778431. The next prime is 13107241778473. The reversal of 13107241778471 is 17487714270131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13107241778471 - 226 = 13107174669607 is a prime.

It is a super-3 number, since 3×131072417784713 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13107241778473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385507111115 + ... + 385507111148.

It is an arithmetic number, because the mean of its divisors is an integer number (3469564000188).

Almost surely, 213107241778471 is an apocalyptic number.

13107241778471 is a deficient number, since it is larger than the sum of its proper divisors (771014222281).

13107241778471 is an equidigital number, since it uses as much as digits as its factorization.

13107241778471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771014222280.

The product of its (nonzero) digits is 1843968, while the sum is 53.

The spelling of 13107241778471 in words is "thirteen trillion, one hundred seven billion, two hundred forty-one million, seven hundred seventy-eight thousand, four hundred seventy-one".

Divisors: 1 17 771014222263 13107241778471