Search a number
-
+
13827766186381 = 78323799941801
BaseRepresentation
bin1100100100111000011100…
…0101110111000110001101
31210221220212210121200102111
43021032013011313012031
53303023231120431011
645224215454424021
72625010636162210
oct311160705670615
953856783550374
1013827766186381
114451360583264
121673ab6b02011
13793c50289774
1435b3a5c75777
1518ea5a407121
hexc938717718d

13827766186381 has 8 divisors (see below), whose sum is σ = 15993560890944. Its totient is φ = 11709571365600.

The previous prime is 13827766186379. The next prime is 13827766186411. The reversal of 13827766186381 is 18368166772831.

13827766186381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13827766186381 - 21 = 13827766186379 is a prime.

It is a super-2 number, since 2×138277661863812 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13827766186361) 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, 11899970320 + ... + 11899971481.

It is an arithmetic number, because the mean of its divisors is an integer number (1999195111368).

Almost surely, 213827766186381 is an apocalyptic number.

It is an amenable number.

13827766186381 is a deficient number, since it is larger than the sum of its proper divisors (2165794704563).

13827766186381 is an equidigital number, since it uses as much as digits as its factorization.

13827766186381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23799941891.

The product of its digits is 97542144, while the sum is 67.

The spelling of 13827766186381 in words is "thirteen trillion, eight hundred twenty-seven billion, seven hundred sixty-six million, one hundred eighty-six thousand, three hundred eighty-one".

Divisors: 1 7 83 581 23799941801 166599592607 1975395169483 13827766186381