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22231131030 = 23251714530151
BaseRepresentation
bin10100101101000101…
…000010001110010110
32010101022210110122100
4110231011002032112
5331012132143110
614113550142530
71414623332043
oct245505021626
963338713570
1022231131030
119478991869
1243851b1a46
1321339b9004
14110c7481ca
158a1a86bc0
hex52d142396

22231131030 has 48 divisors (see below), whose sum is σ = 61201000224. Its totient is φ = 5579577600.

The previous prime is 22231131017. The next prime is 22231131119. The reversal of 22231131030 is 3013113222.

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 = 22231130994 and 22231131012.

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, 7263546 + ... + 7266605.

It is an arithmetic number, because the mean of its divisors is an integer number (1275020838).

Almost surely, 222231131030 is an apocalyptic number.

22231131030 is an abundant number, since it is smaller than the sum of its proper divisors (38969869194).

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

22231131030 is a wasteful number, since it uses less digits than its factorization.

22231131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530181 (or 14530178 counting only the distinct ones).

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

Adding to 22231131030 its reverse (3013113222), we get a palindrome (25244244252).

The spelling of 22231131030 in words is "twenty-two billion, two hundred thirty-one million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 765 1530 14530151 29060302 43590453 72650755 87180906 130771359 145301510 217952265 247012567 261542718 435904530 494025134 653856795 741037701 1235062835 1307713590 1482075402 2223113103 2470125670 3705188505 4446226206 7410377010 11115565515 22231131030