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23211123030 = 2325911283097
BaseRepresentation
bin10101100111011111…
…011010000101010110
32012220121211012221100
4111213133122011112
5340014021414110
614355114530530
71451123201424
oct254737320526
965817735840
1023211123030
11993108a307
1245b9436a46
13225ba3c234
1411a2968114
1590cb14bc0
hex5677da156

23211123030 has 48 divisors (see below), whose sum is σ = 60415377984. Its totient is φ = 6182816640.

The previous prime is 23211123017. The next prime is 23211123041. The reversal of 23211123030 is 3032111232.

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 = 23211122994 and 23211123012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59559 + ... + 223538.

It is an arithmetic number, because the mean of its divisors is an integer number (1258653708).

Almost surely, 223211123030 is an apocalyptic number.

23211123030 is an abundant number, since it is smaller than the sum of its proper divisors (37204254954).

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

23211123030 is a wasteful number, since it uses less digits than its factorization.

23211123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284021 (or 284018 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23211123030 its reverse (3032111232), we get a palindrome (26243234262).

The spelling of 23211123030 in words is "twenty-three billion, two hundred eleven million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 911 1822 2733 4555 5466 8199 9110 13665 16398 27330 40995 81990 283097 566194 849291 1415485 1698582 2547873 2830970 4246455 5095746 8492910 12739365 25478730 257901367 515802734 773704101 1289506835 1547408202 2321112303 2579013670 3868520505 4642224606 7737041010 11605561515 23211123030