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126284125739641 = 112376212
BaseRepresentation
bin11100101101101011010000…
…011101001001101001111001
3121120010122101212000122010221
4130231223100131021221321
5113023014342142132031
61124330043152340041
735412504234505402
oct3455532035115171
9546118355018127
10126284125739641
113726888483a121
12121b6862244621
1355607078b86ac
142328281a009a9
15e8ee17342a11
hex72dad0749a79

126284125739641 has 3 divisors (see below), whose sum is σ = 126284136977263. Its totient is φ = 126284114502020.

The previous prime is 126284125739609. The next prime is 126284125739647. The reversal of 126284125739641 is 146937521482621.

The square root of 126284125739641 is 11237621.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 115080779560041 + 11203346179600 = 10727571^2 + 3347140^2 .

It is not a de Polignac number, because 126284125739641 - 25 = 126284125739609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126284125739641.

It is not an unprimeable number, because it can be changed into a prime (126284125739647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5618811 + ... + 16856431.

Almost surely, 2126284125739641 is an apocalyptic number.

126284125739641 is the 11237621-st square number.

126284125739641 is the 5618811-st centered octagonal number.

It is an amenable number.

126284125739641 is a deficient number, since it is larger than the sum of its proper divisors (11237622).

126284125739641 is an frugal number, since it uses more digits than its factorization.

126284125739641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22475242 (or 11237621 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 126284125739641 in words is "one hundred twenty-six trillion, two hundred eighty-four billion, one hundred twenty-five million, seven hundred thirty-nine thousand, six hundred forty-one".

Divisors: 1 11237621 126284125739641