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23333020989 = 313553573871
BaseRepresentation
bin10101101110110000…
…011010010100111101
32020020010012021111120
4111232300122110331
5340241223132424
614415151341153
71454133256155
oct255660322475
966203167446
1023333020989
119993978023
1246322217b9
13227b07bcc5
1411b4c19765
15918692a79
hex56ec1a53d

23333020989 has 8 divisors (see below), whose sum is σ = 31113044352. Its totient is φ = 15554172480.

The previous prime is 23333020973. The next prime is 23333021011. The reversal of 23333020989 is 98902033332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23333020989 - 24 = 23333020973 is a prime.

It is a super-2 number, since 2×233330209892 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23333020989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23333820989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246277 + ... + 327594.

It is an arithmetic number, because the mean of its divisors is an integer number (3889130544).

Almost surely, 223333020989 is an apocalyptic number.

It is an amenable number.

23333020989 is a deficient number, since it is larger than the sum of its proper divisors (7780023363).

23333020989 is a wasteful number, since it uses less digits than its factorization.

23333020989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587427.

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 23333020989 in words is "twenty-three billion, three hundred thirty-three million, twenty thousand, nine hundred eighty-nine".

Divisors: 1 3 13553 40659 573871 1721613 7777673663 23333020989