Base | Representation |
---|---|
bin | 1011000100111001010… |
… | …0100010111000111101 |
3 | 200012011211001010111102 |
4 | 2301032110202320331 |
5 | 11104204344212121 |
6 | 223230314102445 |
7 | 16514425103555 |
oct | 2611624427075 |
9 | 605154033442 |
10 | 190292569661 |
11 | 737802160a7 |
12 | 30a6871aa25 |
13 | 14c3812a75c |
14 | 92d2b5a165 |
15 | 4e3b10890b |
hex | 2c4e522e3d |
190292569661 has 4 divisors (see below), whose sum is σ = 190327574652. Its totient is φ = 190257564672.
The previous prime is 190292569637. The next prime is 190292569759. The reversal of 190292569661 is 166965292091.
It is a happy number.
190292569661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 116737705561 + 73554864100 = 341669^2 + 271210^2 .
It is a cyclic number.
It is not a de Polignac number, because 190292569661 - 222 = 190288375357 is a prime.
It is a super-2 number, since 2×1902925696612 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 190292569597 and 190292569606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190292569561) 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 3 ways as a sum of consecutive naturals, for example, 17494340 + ... + 17505213.
It is an arithmetic number, because the mean of its divisors is an integer number (47581893663).
Almost surely, 2190292569661 is an apocalyptic number.
It is an amenable number.
190292569661 is a deficient number, since it is larger than the sum of its proper divisors (35004991).
190292569661 is an equidigital number, since it uses as much as digits as its factorization.
190292569661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35004990.
The product of its (nonzero) digits is 3149280, while the sum is 56.
The spelling of 190292569661 in words is "one hundred ninety billion, two hundred ninety-two million, five hundred sixty-nine thousand, six hundred sixty-one".
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