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20231060286 = 2361479115399
BaseRepresentation
bin10010110101110111…
…010111101100111110
31221012221022100101010
4102311313113230332
5312413122412121
613143301500050
71314226114023
oct226567275476
957187270333
1020231060286
1186419a7038
123b07411626
131ba55186b8
14d9cc7154a
157d61ad376
hex4b5dd7b3e

20231060286 has 32 divisors (see below), whose sum is σ = 41211648000. Its totient is φ = 6619229280.

The previous prime is 20231060279. The next prime is 20231060287. The reversal of 20231060286 is 68206013202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231060287) 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 15 ways as a sum of consecutive naturals, for example, 117615 + ... + 233013.

It is an arithmetic number, because the mean of its divisors is an integer number (1287864000).

Almost surely, 220231060286 is an apocalyptic number.

20231060286 is an abundant number, since it is smaller than the sum of its proper divisors (20980587714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231060286 is a wasteful number, since it uses less digits than its factorization.

20231060286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115944.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 20231060286 its reverse (68206013202), we get a palindrome (88437073488).

The spelling of 20231060286 in words is "twenty billion, two hundred thirty-one million, sixty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 61 122 183 366 479 958 1437 2874 29219 58438 87657 115399 175314 230798 346197 692394 7039339 14078678 21118017 42236034 55276121 110552242 165828363 331656726 3371843381 6743686762 10115530143 20231060286