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30002023212 = 2237259864811
BaseRepresentation
bin11011111100010000…
…101000101100101100
32212102220002200200220
4123330100220230230
5442421004220322
621441023251340
72111322663300
oct337420505454
985386080626
1030002023212
11117a63a6107
125993749b50
132aa1922c75
141648813d00
15ba8dc855c
hex6fc428b2c

30002023212 has 72 divisors (see below), whose sum is σ = 82814397120. Its totient is φ = 8426708640.

The previous prime is 30002023141. The next prime is 30002023229. The reversal of 30002023212 is 21232020003.

It is a junction number, because it is equal to n+sod(n) for n = 30002023191 and 30002023200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397714 + ... + 467097.

It is an arithmetic number, because the mean of its divisors is an integer number (1150199960).

Almost surely, 230002023212 is an apocalyptic number.

It is an amenable number.

30002023212 is an abundant number, since it is smaller than the sum of its proper divisors (52812373908).

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

30002023212 is a wasteful number, since it uses less digits than its factorization.

30002023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864891 (or 864882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30002023212 its reverse (21232020003), we get a palindrome (51234043215).

The spelling of 30002023212 in words is "thirty billion, two million, twenty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 59 84 98 118 147 177 196 236 294 354 413 588 708 826 1239 1652 2478 2891 4956 5782 8673 11564 17346 34692 864811 1729622 2594433 3459244 5188866 6053677 10377732 12107354 18161031 24214708 36322062 42375739 51023849 72644124 84751478 102047698 127127217 153071547 169502956 204095396 254254434 306143094 357166943 508508868 612286188 714333886 1071500829 1428667772 2143001658 2500168601 4286003316 5000337202 7500505803 10000674404 15001011606 30002023212