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23032223220 = 22351722580611
BaseRepresentation
bin10101011100110100…
…111101010111110100
32012110011012011112110
4111130310331113310
5334132222120340
614325244251020
71443521444556
oct253464752764
965404164473
1023032223220
11984a0a9226
124569540a70
132230962066
141186cb94d6
158ec077680
hex55cd3d5f4

23032223220 has 48 divisors (see below), whose sum is σ = 68283770688. Its totient is φ = 5780636160.

The previous prime is 23032223213. The next prime is 23032223243. The reversal of 23032223220 is 2232223032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11289286 + ... + 11291325.

It is an arithmetic number, because the mean of its divisors is an integer number (1422578556).

Almost surely, 223032223220 is an apocalyptic number.

23032223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032223220 is an abundant number, since it is smaller than the sum of its proper divisors (45251547468).

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

23032223220 is a wasteful number, since it uses less digits than its factorization.

23032223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22580640 (or 22580638 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 23032223220 its reverse (2232223032), we get a palindrome (25264446252).

The spelling of 23032223220 in words is "twenty-three billion, thirty-two million, two hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 22580611 45161222 67741833 90322444 112903055 135483666 225806110 270967332 338709165 383870387 451612220 677418330 767740774 1151611161 1354836660 1535481548 1919351935 2303222322 3838703870 4606444644 5758055805 7677407740 11516111610 23032223220