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8666880001 = 131935088583
BaseRepresentation
bin10000001001001011…
…00001100000000001
3211101000021010021121
420010211201200001
5120222210130001
63552001152241
7424526156503
oct100445414001
924330233247
108666880001
11374825624a
12181a62b681
13a81757380
145c309dd73
1535ad296a1
hex204961801

8666880001 has 8 divisors (see below), whose sum is σ = 9824803520. Its totient is φ = 7579133712.

The previous prime is 8666879971. The next prime is 8666880023. The reversal of 8666880001 is 1000886668.

It is a happy number.

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 8666880001 - 213 = 8666871809 is a prime.

It is a super-2 number, since 2×86668800012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8666880001.

It is not an unprimeable number, because it can be changed into a prime (8666880031) 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, 17544045 + ... + 17544538.

It is an arithmetic number, because the mean of its divisors is an integer number (1228100440).

Almost surely, 28666880001 is an apocalyptic number.

It is an amenable number.

8666880001 is a deficient number, since it is larger than the sum of its proper divisors (1157923519).

8666880001 is a wasteful number, since it uses less digits than its factorization.

8666880001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35088615.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 8666880001 is about 93096.0794072446. The cubic root of 8666880001 is about 2054.0969031805.

The spelling of 8666880001 in words is "eight billion, six hundred sixty-six million, eight hundred eighty thousand, one".

Divisors: 1 13 19 247 35088583 456151579 666683077 8666880001