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10009191001 = 101499198599
BaseRepresentation
bin10010101001001100…
…00010001001011001
3221211120001120210211
421110212002021121
5130444323103001
64333111411121
7503015501605
oct112446021131
927746046724
1010009191001
114276a22387
121b34083aa1
13c36887a34
146ad476505
153d8ac6351
hex254982259

10009191001 has 8 divisors (see below), whose sum is σ = 10128600000. Its totient is φ = 9890180400.

The previous prime is 10009190981. The next prime is 10009191007. The reversal of 10009191001 is 10019190001.

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-10009191001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10009191007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48901 + ... + 149698.

It is an arithmetic number, because the mean of its divisors is an integer number (1266075000).

Almost surely, 210009191001 is an apocalyptic number.

It is an amenable number.

10009191001 is a deficient number, since it is larger than the sum of its proper divisors (119408999).

10009191001 is a wasteful number, since it uses less digits than its factorization.

10009191001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199199.

The product of its (nonzero) digits is 81, while the sum is 22.

Multiplying 10009191001 by its sum of digits (22), we get a palindrome (220202202022).

The spelling of 10009191001 in words is "ten billion, nine million, one hundred ninety-one thousand, one".

Divisors: 1 101 499 50399 198599 20058499 99100901 10009191001