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1068315066509 = 31120972848787
BaseRepresentation
bin11111000101111001000…
…10100100000010001101
310210010111201021101010112
433202330202210002031
5120000402124112014
62134435511245405
7140116562144105
oct17427442440215
93703451241115
101068315066509
11382085005549
12153068679865
1379984610612
14399c737a205
151cbc8e9c73e
hexf8bc8a408d

1068315066509 has 8 divisors (see below), whose sum is σ = 1102868391168. Its totient is φ = 1033767463680.

The previous prime is 1068315066503. The next prime is 1068315066521. The reversal of 1068315066509 is 9056605138601.

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 1068315066509 - 212 = 1068315062413 is a prime.

It is a super-3 number, since 3×10683150665093 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068315066503) 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, 1049387 + ... + 1799400.

It is an arithmetic number, because the mean of its divisors is an integer number (137858548896).

Almost surely, 21068315066509 is an apocalyptic number.

It is an amenable number.

1068315066509 is a deficient number, since it is larger than the sum of its proper divisors (34553324659).

1068315066509 is a wasteful number, since it uses less digits than its factorization.

1068315066509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860915.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 1068315066509 in words is "one trillion, sixty-eight billion, three hundred fifteen million, sixty-six thousand, five hundred nine".

Divisors: 1 31 12097 375007 2848787 88312397 34461776339 1068315066509