Search a number
-
+
221020211000112 = 24335321521606113
BaseRepresentation
bin110010010000010001000111…
…001010100011001100110000
31001222120022210112002011200220
4302100101013022203030300
5212432143343004000422
62102023141102013040
764361116603633146
oct6220210712431460
91058508715064626
10221020211000112
1164473166140857
1220957245577180
139643168b521c4
143c81614617596
151a84399bd5e5c
hexc904472a3330

221020211000112 has 80 divisors (see below), whose sum is σ = 572613904659168. Its totient is φ = 73461162311680.

The previous prime is 221020211000021. The next prime is 221020211000167. The reversal of 221020211000112 is 211000112020122.

It is a junction number, because it is equal to n+sod(n) for n = 221020211000091 and 221020211000100.

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, 364348768 + ... + 364954880.

Almost surely, 2221020211000112 is an apocalyptic number.

It is an amenable number.

221020211000112 is an abundant number, since it is smaller than the sum of its proper divisors (351593693659056).

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

221020211000112 is a wasteful number, since it uses less digits than its factorization.

221020211000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627998 (or 627992 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221020211000112 its reverse (211000112020122), we get a palindrome (432020323020234).

The spelling of 221020211000112 in words is "two hundred twenty-one trillion, twenty billion, two hundred eleven million, one hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 48 353 706 1059 1412 2118 2824 4236 5648 8472 16944 21521 43042 64563 86084 129126 172168 258252 344336 516504 606113 1033008 1212226 1818339 2424452 3636678 4848904 7273356 7596913 9697808 14546712 15193826 22790739 29093424 30387652 45581478 60775304 91162956 121550608 182325912 213957889 364651824 427915778 641873667 855831556 1283747334 1711663112 2567494668 3423326224 5134989336 10269978672 13044157873 26088315746 39132473619 52176631492 78264947238 104353262984 156529894476 208706525968 313059788952 626119577904 4604587729169 9209175458338 13813763187507 18418350916676 27627526375014 36836701833352 55255052750028 73673403666704 110510105500056 221020211000112