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23212001322 = 2329403137143
BaseRepresentation
bin10101100111100010…
…110000100000101010
32012220200110211201200
4111213202300200222
5340014233020242
614355145425030
71451133520146
oct254742604052
965820424650
1023212001322
11993162a174
1245b979b176
13225bc88c33
1411a2b16226
1590cc3a04c
hex5678b082a

23212001322 has 24 divisors (see below), whose sum is σ = 50298384864. Its totient is φ = 7736454504.

The previous prime is 23212001321. The next prime is 23212001353. The reversal of 23212001322 is 22310021232.

23212001322 is a `hidden beast` number, since 2 + 321 + 20 + 0 + 1 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23212001295 and 23212001304.

It is not an unprimeable number, because it can be changed into a prime (23212001321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100683 + ... + 237825.

It is an arithmetic number, because the mean of its divisors is an integer number (2095766036).

Almost surely, 223212001322 is an apocalyptic number.

23212001322 is an abundant number, since it is smaller than the sum of its proper divisors (27086383542).

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

23212001322 is a wasteful number, since it uses less digits than its factorization.

23212001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146554 (or 146551 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23212001322 its reverse (22310021232), we get a palindrome (45522022554).

The spelling of 23212001322 in words is "twenty-three billion, two hundred twelve million, one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 9403 18806 28209 56418 84627 137143 169254 274286 411429 822858 1234287 2468574 1289555629 2579111258 3868666887 7737333774 11606000661 23212001322