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20101343411 = 44944769139
BaseRepresentation
bin10010101110001000…
…100010100010110011
31220212220020001021102
4102232020202202303
5312131420442121
613122345315015
71311062412512
oct225610424263
956786201242
1020101343411
118585758906
123a8ba95a6b
131b8469ba56
14d89946679
157c9ad890b
hex4ae2228b3

20101343411 has 4 divisors (see below), whose sum is σ = 20146113000. Its totient is φ = 20056573824.

The previous prime is 20101343407. The next prime is 20101343413. The reversal of 20101343411 is 11434310102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11434310102 = 25717155051.

It is a cyclic number.

It is not a de Polignac number, because 20101343411 - 22 = 20101343407 is a prime.

It is a super-2 number, since 2×201013434112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101343413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22384121 + ... + 22385018.

It is an arithmetic number, because the mean of its divisors is an integer number (5036528250).

Almost surely, 220101343411 is an apocalyptic number.

20101343411 is a deficient number, since it is larger than the sum of its proper divisors (44769589).

20101343411 is an equidigital number, since it uses as much as digits as its factorization.

20101343411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44769588.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20101343411 its reverse (11434310102), we get a palindrome (31535653513).

The spelling of 20101343411 in words is "twenty billion, one hundred one million, three hundred forty-three thousand, four hundred eleven".

Divisors: 1 449 44769139 20101343411