Search a number
-
+
19202164334881 = 1111091574076919
BaseRepresentation
bin1000101110110110110100…
…01011110010000100100001
32111222201010211220100222021
410113123122023302010201
510004102013032204011
6104501204050541441
74021211350534033
oct427333213620441
974881124810867
1019202164334881
116133657193160
1221a1611b97881
13a939aa85c2b8
144a556552bc53
1523475bab8471
hex1176da2f2121

19202164334881 has 8 divisors (see below), whose sum is σ = 20966704574400. Its totient is φ = 17440772251440.

The previous prime is 19202164334839. The next prime is 19202164334893. The reversal of 19202164334881 is 18843346120291.

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 19202164334881 - 27 = 19202164334753 is a prime.

It is a super-2 number, since 2×192021643348812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19202164334681) 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, 787026261 + ... + 787050658.

It is an arithmetic number, because the mean of its divisors is an integer number (2620838071800).

Almost surely, 219202164334881 is an apocalyptic number.

19202164334881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19202164334881 is a deficient number, since it is larger than the sum of its proper divisors (1764540239519).

19202164334881 is a wasteful number, since it uses less digits than its factorization.

19202164334881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574078039.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 19202164334881 in words is "nineteen trillion, two hundred two billion, one hundred sixty-four million, three hundred thirty-four thousand, eight hundred eighty-one".

Divisors: 1 11 1109 12199 1574076919 17314846109 1745651303171 19202164334881