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23213786406 = 23622012
BaseRepresentation
bin10101100111101001…
…100100010100100110
32012220210211112101220
4111213221210110212
5340020212131111
614355252001210
71451154633366
oct254751442446
965823745356
1023213786406
119932639348
1245ba300206
13225c4625b5
1411a305c9a6
1590ce8de06
hex567a64526

23213786406 has 12 divisors (see below), whose sum is σ = 46428319236. Its totient is φ = 7737804400.

The previous prime is 23213786291. The next prime is 23213786411. The reversal of 23213786406 is 60468731232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342106 + ... + 404306.

It is an arithmetic number, because the mean of its divisors is an integer number (3869026603).

Almost surely, 223213786406 is an apocalyptic number.

23213786406 is an abundant number, since it is smaller than the sum of its proper divisors (23214532830).

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

23213786406 is an frugal number, since it uses more digits than its factorization.

23213786406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124407 (or 62206 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 23213786406 in words is "twenty-three billion, two hundred thirteen million, seven hundred eighty-six thousand, four hundred six".

Divisors: 1 2 3 6 62201 124402 186603 373206 3868964401 7737928802 11606893203 23213786406