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1068873855191 = 13765311947931
BaseRepresentation
bin11111000110111011101…
…10001011000011010111
310210011221122201210002122
433203131312023003113
5120003023201331231
62135011152130155
7140136455601452
oct17433566130327
93704848653078
101068873855191
1138234147577a
121531a383695b
1379a4330a1cc
1439a3b676499
151cc0d07977b
hexf8ddd8b0d7

1068873855191 has 8 divisors (see below), whose sum is σ = 1078324758864. Its totient is φ = 1059446848960.

The previous prime is 1068873855163. The next prime is 1068873855221. The reversal of 1068873855191 is 1915583788601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1068873855191 is a prime.

It is a super-2 number, since 2×10688738551912 (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 (1068873855131) 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, 5884505 + ... + 6063426.

It is an arithmetic number, because the mean of its divisors is an integer number (134790594858).

Almost surely, 21068873855191 is an apocalyptic number.

1068873855191 is a deficient number, since it is larger than the sum of its proper divisors (9450903673).

1068873855191 is a wasteful number, since it uses less digits than its factorization.

1068873855191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948721.

The product of its (nonzero) digits is 14515200, while the sum is 62.

The spelling of 1068873855191 in words is "one trillion, sixty-eight billion, eight hundred seventy-three million, eight hundred fifty-five thousand, one hundred ninety-one".

Divisors: 1 137 653 89461 11947931 1636866547 7801998943 1068873855191