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30003122221123 = 172715878392969
BaseRepresentation
bin1101101001001101001010…
…11100010011000001000011
310221020021022011201000200111
412310212211130103001003
512413032343242033443
6143451124415132151
76214440224003542
oct664464534230103
9127207264630614
1030003122221123
11961828634aa97
123446980b14057
13139838924767c
1475a231cca159
153706b3e6169d
hex1b49a5713043

30003122221123 has 48 divisors (see below), whose sum is σ = 32425294809600. Its totient is φ = 27750606248960.

The previous prime is 30003122221027. The next prime is 30003122221129. The reversal of 30003122221123 is 32112222130003.

It is not a de Polignac number, because 30003122221123 - 229 = 30002585350211 is a prime.

It is a super-2 number, since 2×300031222211232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30003122221094 and 30003122221103.

It is not an unprimeable number, because it can be changed into a prime (30003122221129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10105462383 + ... + 10105465351.

It is an arithmetic number, because the mean of its divisors is an integer number (675526975200).

Almost surely, 230003122221123 is an apocalyptic number.

30003122221123 is a deficient number, since it is larger than the sum of its proper divisors (2422172588477).

30003122221123 is a wasteful number, since it uses less digits than its factorization.

30003122221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30003122221123 its reverse (32112222130003), we get a palindrome (62115344351126).

The spelling of 30003122221123 in words is "thirty trillion, three billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-three".

Divisors: 1 17 71 289 587 839 1207 2969 9979 14263 20519 41677 50473 59569 169643 210799 242471 492493 708509 858041 1012673 1742803 2490991 3583583 8372381 12044653 17215441 29627651 34967003 42346847 60920911 123739013 142330477 176860361 503670067 594439051 719896399 1462211717 2103563221 3006626137 10105463867 24857599189 35760574757 51112644329 103817031907 422579186213 1764889542419 30003122221123