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192806191966 = 2195073847157
BaseRepresentation
bin1011001110010000100…
…1010000001101011110
3200102122222212101001211
42303210021100031132
511124331341120331
6224323545455034
716633626406513
oct2634411201536
9612588771054
10192806191966
1174850083803
123144a4a147a
1315248b1942b
14949091530a
155036b258b1
hex2ce425035e

192806191966 has 8 divisors (see below), whose sum is σ = 304430829480. Its totient is φ = 91329248808.

The previous prime is 192806191961. The next prime is 192806191993. The reversal of 192806191966 is 669191608291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 192806191966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192806191961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536923541 + ... + 2536923616.

It is an arithmetic number, because the mean of its divisors is an integer number (38053853685).

Almost surely, 2192806191966 is an apocalyptic number.

192806191966 is a deficient number, since it is larger than the sum of its proper divisors (111624637514).

192806191966 is a wasteful number, since it uses less digits than its factorization.

192806191966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073847178.

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 192806191966 in words is "one hundred ninety-two billion, eight hundred six million, one hundred ninety-one thousand, nine hundred sixty-six".

Divisors: 1 2 19 38 5073847157 10147694314 96403095983 192806191966