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20431060106 = 229794458983
BaseRepresentation
bin10011000001110010…
…010011110010001010
31221201212122101112212
4103001302103302022
5313320322410411
613215204305122
71322205100622
oct230162236212
957655571485
1020431060106
118734889946
123b623a21a2
131c07aa28a2
14dbb653882
157e8a1768b
hex4c1c93c8a

20431060106 has 16 divisors (see below), whose sum is σ = 32104684800. Its totient is φ = 9738416688.

The previous prime is 20431060079. The next prime is 20431060163. The reversal of 20431060106 is 60106013402.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224910 + ... + 2234073.

It is an arithmetic number, because the mean of its divisors is an integer number (2006542800).

Almost surely, 220431060106 is an apocalyptic number.

20431060106 is a deficient number, since it is larger than the sum of its proper divisors (11673624694).

20431060106 is a wasteful number, since it uses less digits than its factorization.

20431060106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459093.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20431060106 its reverse (60106013402), we get a palindrome (80537073508).

The spelling of 20431060106 in words is "twenty billion, four hundred thirty-one million, sixty thousand, one hundred six".

Divisors: 1 2 29 58 79 158 2291 4582 4458983 8917966 129310507 258621014 352259657 704519314 10215530053 20431060106