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20134214231 = 1711315976563
BaseRepresentation
bin10010110000000101…
…111011101001010111
31220222012002001120012
4102300011323221113
5312213324323411
613125522030435
71311641666015
oct226005735127
956865061505
1020134214231
1185a226a17a
123a9aaa841b
131b8b43a641
14d900618b5
157cc92d18b
hex4b017ba57

20134214231 has 16 divisors (see below), whose sum is σ = 21523986144. Its totient is φ = 18767529984.

The previous prime is 20134214227. The next prime is 20134214249. The reversal of 20134214231 is 13241243102.

It is not a de Polignac number, because 20134214231 - 22 = 20134214227 is a prime.

It is a super-2 number, since 2×201342142312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20134214197 and 20134214206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134214251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3064556 + ... + 3071118.

It is an arithmetic number, because the mean of its divisors is an integer number (1345249134).

Almost surely, 220134214231 is an apocalyptic number.

20134214231 is a deficient number, since it is larger than the sum of its proper divisors (1389771913).

20134214231 is a wasteful number, since it uses less digits than its factorization.

20134214231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20134214231 its reverse (13241243102), we get a palindrome (33375457333).

The spelling of 20134214231 in words is "twenty billion, one hundred thirty-four million, two hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 17 113 1597 1921 6563 27149 111571 180461 741619 3067837 10481111 12607523 178178887 1184365543 20134214231