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10191819292 = 2215116873873
BaseRepresentation
bin10010111110111101…
…01101001000011100
3222022021201001201121
421133132231020130
5131333101204132
64403154020324
7510364014604
oct113736551034
928267631647
1010191819292
11436001a756
121b852776a4
13c6566c005
146c9815c04
153e9b4d497
hex25f7ad21c

10191819292 has 12 divisors (see below), whose sum is σ = 17953801936. Its totient is φ = 5062161600.

The previous prime is 10191819263. The next prime is 10191819301. The reversal of 10191819292 is 29291819101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8436333 + ... + 8437540.

Almost surely, 210191819292 is an apocalyptic number.

It is an amenable number.

10191819292 is a deficient number, since it is larger than the sum of its proper divisors (7761982644).

10191819292 is a wasteful number, since it uses less digits than its factorization.

10191819292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874028 (or 16874026 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 10191819292 in words is "ten billion, one hundred ninety-one million, eight hundred nineteen thousand, two hundred ninety-two".

Divisors: 1 2 4 151 302 604 16873873 33747746 67495492 2547954823 5095909646 10191819292