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190662265705 = 5101377549041
BaseRepresentation
bin1011000110010001011…
…0110100101101101001
3200020010120200122010111
42301210112310231221
511110434020000310
6223331122014321
716526534342602
oct2614426645551
9606116618114
10190662265705
117394a97321a
1230b504a73a1
1314c968bb902
149329cb2da9
154e5d7d328a
hex2c645b4b69

190662265705 has 8 divisors (see below), whose sum is σ = 231060013704. Its totient is φ = 151019616000.

The previous prime is 190662265699. The next prime is 190662265709. The reversal of 190662265705 is 507562266091.

190662265705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57563525776 + 133098739929 = 239924^2 + 364827^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-190662265705 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190662265709) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188774016 + ... + 188775025.

It is an arithmetic number, because the mean of its divisors is an integer number (28882501713).

Almost surely, 2190662265705 is an apocalyptic number.

It is an amenable number.

190662265705 is a deficient number, since it is larger than the sum of its proper divisors (40397747999).

190662265705 is a wasteful number, since it uses less digits than its factorization.

190662265705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377549147.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 190662265705 in words is "one hundred ninety billion, six hundred sixty-two million, two hundred sixty-five thousand, seven hundred five".

Divisors: 1 5 101 505 377549041 1887745205 38132453141 190662265705