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23213133230 = 2572911435041
BaseRepresentation
bin10101100111100111…
…000100110110101110
32012220202121100102012
4111213213010312232
5340020030230410
614355230001222
71451146243160
oct254747046656
965822540365
1023213133230
119932232631
1245ba046212
13225c2941c1
1411a2d2c930
1590cdb0605
hex5679c4dae

23213133230 has 32 divisors (see below), whose sum is σ = 49399381440. Its totient is φ = 7684346880.

The previous prime is 23213133217. The next prime is 23213133241. The reversal of 23213133230 is 3233131232.

It is a junction number, because it is equal to n+sod(n) for n = 23213133196 and 23213133205.

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, 5715491 + ... + 5719550.

It is an arithmetic number, because the mean of its divisors is an integer number (1543730670).

Almost surely, 223213133230 is an apocalyptic number.

23213133230 is an abundant number, since it is smaller than the sum of its proper divisors (26186248210).

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

23213133230 is a wasteful number, since it uses less digits than its factorization.

23213133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435084.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23213133230 its reverse (3233131232), we get a palindrome (26446264462).

The spelling of 23213133230 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 11435041 22870082 57175205 80045287 114350410 160090574 331616189 400226435 663232378 800452870 1658080945 2321313323 3316161890 4642626646 11606566615 23213133230