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20340122413 = 1317539917047
BaseRepresentation
bin10010111100010111…
…011010001100101101
31221111112112021111011
4102330113122030231
5313124032404123
613202155225221
71320022121302
oct227427321455
957445467434
1020340122413
118698518026
123b37a48211
131bc1cb2bc0
14dad5410a9
157e0a52e0d
hex4bc5da32d

20340122413 has 16 divisors (see below), whose sum is σ = 23198918400. Its totient is φ = 17666747136.

The previous prime is 20340122371. The next prime is 20340122419. The reversal of 20340122413 is 31422104302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20340122413 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 (20340122419) 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 15 ways as a sum of consecutive naturals, for example, 1184656 + ... + 1201702.

It is an arithmetic number, because the mean of its divisors is an integer number (1449932400).

Almost surely, 220340122413 is an apocalyptic number.

It is an amenable number.

20340122413 is a deficient number, since it is larger than the sum of its proper divisors (2858795987).

20340122413 is a wasteful number, since it uses less digits than its factorization.

20340122413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22476.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20340122413 its reverse (31422104302), we get a palindrome (51762226715).

The spelling of 20340122413 in words is "twenty billion, three hundred forty million, one hundred twenty-two thousand, four hundred thirteen".

Divisors: 1 13 17 221 5399 17047 70187 91783 221611 289799 1193179 3767387 92036753 1196477789 1564624801 20340122413