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10011021197 = 47389547559
BaseRepresentation
bin10010101001011010…
…00000111110001101
3221211200111120100212
421110231000332031
5131000310134242
64333214532205
7503040163502
oct112455007615
927750446325
1010011021197
114277a62441
121b34807065
13c37078aa8
146ad7d14a9
153d8d38782
hex254b40f8d

10011021197 has 8 divisors (see below), whose sum is σ = 10250323200. Its totient is φ = 9772815184.

The previous prime is 10011021191. The next prime is 10011021199. The reversal of 10011021197 is 79112011001.

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 10011021197 - 212 = 10011017101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011021191) 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, 255497 + ... + 292062.

It is an arithmetic number, because the mean of its divisors is an integer number (1281290400).

Almost surely, 210011021197 is an apocalyptic number.

It is an amenable number.

10011021197 is a deficient number, since it is larger than the sum of its proper divisors (239302003).

10011021197 is an equidigital number, since it uses as much as digits as its factorization.

10011021197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547995.

The product of its (nonzero) digits is 126, while the sum is 23.

Adding to 10011021197 its reverse (79112011001), we get a palindrome (89123032198).

The spelling of 10011021197 in words is "ten billion, eleven million, twenty-one thousand, one hundred ninety-seven".

Divisors: 1 47 389 18283 547559 25735273 213000451 10011021197