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23213211211 = 291345159509
BaseRepresentation
bin10101100111100111…
…010111111001001011
32012220202202022101101
4111213213113321023
5340020040224321
614355231402231
71451150016421
oct254747277113
965822668341
1023213211211
119932286183
1245ba083377
13225c2c0848
1411a2d4d111
1590cdc8791
hex5679d7e4b

23213211211 has 8 divisors (see below), whose sum is σ = 24015855600. Its totient is φ = 22410712800.

The previous prime is 23213211199. The next prime is 23213211223. The reversal of 23213211211 is 11211231232.

It is an interprime number because it is at equal distance from previous prime (23213211199) and next prime (23213211223).

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

It is not a de Polignac number, because 23213211211 - 225 = 23179656779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213211271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360325 + ... + 419833.

It is an arithmetic number, because the mean of its divisors is an integer number (3001981950).

Almost surely, 223213211211 is an apocalyptic number.

23213211211 is a deficient number, since it is larger than the sum of its proper divisors (802644389).

23213211211 is a wasteful number, since it uses less digits than its factorization.

23213211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72989.

The product of its digits is 144, while the sum is 19.

Adding to 23213211211 its reverse (11211231232), we get a palindrome (34424442443).

The spelling of 23213211211 in words is "twenty-three billion, two hundred thirteen million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 29 13451 59509 390079 1725761 800455559 23213211211