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10666020001 = 713117209011
BaseRepresentation
bin10011110111011111…
…01000110010100001
31000112022222221210211
421323233220302201
5133321000120001
64522213454121
7525212450140
oct117357506241
930468887724
1010666020001
11458376576a
122098041341
13100c990150
147327b3757
154265bc351
hex27bbe8ca1

10666020001 has 8 divisors (see below), whose sum is σ = 13127409344. Its totient is φ = 8439048720.

The previous prime is 10666019893. The next prime is 10666020017. The reversal of 10666020001 is 10002066601.

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-10666020001 is a prime.

It is a super-2 number, since 2×106660200012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58604415 + ... + 58604596.

It is an arithmetic number, because the mean of its divisors is an integer number (1640926168).

Almost surely, 210666020001 is an apocalyptic number.

It is an amenable number.

10666020001 is a deficient number, since it is larger than the sum of its proper divisors (2461389343).

10666020001 is a wasteful number, since it uses less digits than its factorization.

10666020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117209031.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10666020001 its reverse (10002066601), we get a palindrome (20668086602).

The spelling of 10666020001 in words is "ten billion, six hundred sixty-six million, twenty thousand, one".

Divisors: 1 7 13 91 117209011 820463077 1523717143 10666020001