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1068713591 = 11964910069
BaseRepresentation
bin111111101100110…
…100011001110111
32202110222021102212
4333230310121313
54142042313331
6254014124035
735324626031
oct7754643167
92673867385
101068713591
114a9296380
12259ab061b
1314054830a
14a1d16c51
1563c55d2b
hex3fb34677

1068713591 has 8 divisors (see below), whose sum is σ = 1166106000. Its totient is φ = 971360640.

The previous prime is 1068713579. The next prime is 1068713603. The reversal of 1068713591 is 1953178601.

It is an interprime number because it is at equal distance from previous prime (1068713579) and next prime (1068713603).

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 1068713591 - 214 = 1068697207 is a prime.

It is a super-2 number, since 2×10687135912 = 2284297479176230562, which 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 (1068718591) 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, 101105 + ... + 111173.

It is an arithmetic number, because the mean of its divisors is an integer number (145763250).

Almost surely, 21068713591 is an apocalyptic number.

1068713591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1068713591 is a deficient number, since it is larger than the sum of its proper divisors (97392409).

1068713591 is a wasteful number, since it uses less digits than its factorization.

1068713591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1068713591 is about 32691.1852186488. The cubic root of 1068713591 is about 1022.3990661623.

The spelling of 1068713591 in words is "one billion, sixty-eight million, seven hundred thirteen thousand, five hundred ninety-one".

Divisors: 1 11 9649 10069 106139 110759 97155781 1068713591