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21041431112233 = 729827857146249
BaseRepresentation
bin1001100100011000101110…
…00001101110101000101001
32202111112121111211111120001
410302030113001232220221
510224220322331042413
6112430144445103001
74301123164304410
oct462142701565051
982445544744501
1021041431112233
11678269134a854
122439b78857a61
13b98276c848ac
1452a5a6d62477
15267508a724dd
hex13231706ea29

21041431112233 has 32 divisors (see below), whose sum is σ = 24935882400000. Its totient is φ = 17372128349184.

The previous prime is 21041431112197. The next prime is 21041431112239. The reversal of 21041431112233 is 33221113414012.

It is not a de Polignac number, because 21041431112233 - 213 = 21041431104041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21041431112239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143800893 + ... + 143947141.

It is an arithmetic number, because the mean of its divisors is an integer number (779246325000).

Almost surely, 221041431112233 is an apocalyptic number.

It is an amenable number.

21041431112233 is a deficient number, since it is larger than the sum of its proper divisors (3894451287767).

21041431112233 is a wasteful number, since it uses less digits than its factorization.

21041431112233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147969.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 21041431112233 its reverse (33221113414012), we get a palindrome (54262544526245).

The spelling of 21041431112233 in words is "twenty-one trillion, forty-one billion, four hundred thirty-one million, one hundred twelve thousand, two hundred thirty-three".

Divisors: 1 7 29 203 827 857 5789 5999 23983 24853 146249 167881 173971 708739 1023743 4241221 4961173 20553431 29688547 120947923 125335393 143874017 846635461 877347751 3507489767 3634726397 24552428369 25443084779 103652370011 725566590077 3005918730319 21041431112233