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30222220011312 = 2437131686618957
BaseRepresentation
bin1101101111100101010001…
…01100000010011100110000
310222000012211110211222020110
412313302220230002130300
512430130101310330222
6144135521325141320
76236324533333260
oct667625054023460
9128005743758213
1030222220011312
1196a219833966a
1234813283ba840
1313b2c35052cc4
14766a9851d7a0
15376238d3a30c
hex1b7ca8b02730

30222220011312 has 80 divisors (see below), whose sum is σ = 89908632836352. Its totient is φ = 8569004570880.

The previous prime is 30222220011311. The next prime is 30222220011371. The reversal of 30222220011312 is 21311002222203.

It is a super-2 number, since 2×302222200113122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30222220011311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343265463 + ... + 343353494.

Almost surely, 230222220011312 is an apocalyptic number.

It is an amenable number.

30222220011312 is an abundant number, since it is smaller than the sum of its proper divisors (59686412825040).

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

30222220011312 is a wasteful number, since it uses less digits than its factorization.

30222220011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686619106 (or 686619100 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30222220011312 its reverse (21311002222203), we get a palindrome (51533222233515).

The spelling of 30222220011312 in words is "thirty trillion, two hundred twenty-two billion, two hundred twenty million, eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 131 168 262 336 393 524 786 917 1048 1572 1834 2096 2751 3144 3668 5502 6288 7336 11004 14672 22008 44016 686618957 1373237914 2059856871 2746475828 4119713742 4806332699 5492951656 8239427484 9612665398 10985903312 14418998097 16478854968 19225330796 28837996194 32957709936 38450661592 57675992388 76901323184 89947083367 115351984776 179894166734 230703969552 269841250101 359788333468 539682500202 629629583569 719576666936 1079365000404 1259259167138 1439153333872 1888888750707 2158730000808 2518518334276 3777777501414 4317460001616 5037036668552 7555555002828 10074073337104 15111110005656 30222220011312