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1068254415989 = 1956223916631
BaseRepresentation
bin11111000101110001110…
…11001100110001110101
310210010100111011000020222
433202320323030301311
5120000241112302424
62134425503304125
7140115224500325
oct17427073146165
93703314130228
101068254415989
1138205384a952
121530502ab045
1379974b96537
14399bd2ad285
151cbc39bbe5e
hexf8b8eccc75

1068254415989 has 4 divisors (see below), whose sum is σ = 1124478332640. Its totient is φ = 1012030499340.

The previous prime is 1068254415983. The next prime is 1068254415997. The reversal of 1068254415989 is 9895144528601.

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 not a de Polignac number, because 1068254415989 - 24 = 1068254415973 is a prime.

It is a super-2 number, since 2×10682544159892 (a number of 25 digits) contains 22 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 (1068254415983) 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, 28111958297 + ... + 28111958334.

It is an arithmetic number, because the mean of its divisors is an integer number (281119583160).

Almost surely, 21068254415989 is an apocalyptic number.

1068254415989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1068254415989 is a deficient number, since it is larger than the sum of its proper divisors (56223916651).

1068254415989 is an equidigital number, since it uses as much as digits as its factorization.

1068254415989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56223916650.

The product of its (nonzero) digits is 24883200, while the sum is 62.

The spelling of 1068254415989 in words is "one trillion, sixty-eight billion, two hundred fifty-four million, four hundred fifteen thousand, nine hundred eighty-nine".

Divisors: 1 19 56223916631 1068254415989