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13122212313101 = 61215118234641
BaseRepresentation
bin1011111011110100000011…
…0011011011100000001101
31201110110201112112021211012
42332331000303123200031
53204443242323004401
643524132222335005
72523022440205253
oct276750063334015
951413645467735
1013122212313101
1141aa10a834451
12157b20a42a465
1374255b2c5798
143351930d25d3
1517b51398c8bb
hexbef40cdb80d

13122212313101 has 4 divisors (see below), whose sum is σ = 13337330547804. Its totient is φ = 12907094078400.

The previous prime is 13122212313017. The next prime is 13122212313109. The reversal of 13122212313101 is 10131321222131.

It is a happy number.

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 1402031237476 + 11720181075625 = 1184074^2 + 3423475^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122212313101 - 226 = 13122145204237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122212313109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107559117260 + ... + 107559117381.

It is an arithmetic number, because the mean of its divisors is an integer number (3334332636951).

Almost surely, 213122212313101 is an apocalyptic number.

It is an amenable number.

13122212313101 is a deficient number, since it is larger than the sum of its proper divisors (215118234703).

13122212313101 is an equidigital number, since it uses as much as digits as its factorization.

13122212313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215118234702.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13122212313101 its reverse (10131321222131), we get a palindrome (23253533535232).

The spelling of 13122212313101 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twelve million, three hundred thirteen thousand, one hundred one".

Divisors: 1 61 215118234641 13122212313101