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30232011222 = 2327823291539
BaseRepresentation
bin11100001001111101…
…111110000111010110
32220000220212021221100
4130021331332013112
5443403343324342
621515520530530
72120114566260
oct341175760726
986026767840
1030232011222
1111904200546
125a38780a46
132b0a47994a
14166b1a0b30
15bbe1a7e4c
hex709f7e1d6

30232011222 has 48 divisors (see below), whose sum is σ = 74951435520. Its totient is φ = 8627192496.

The previous prime is 30232011179. The next prime is 30232011311. The reversal of 30232011222 is 22211023203.

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 = 30232011195 and 30232011204.

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, 42072 + ... + 249467.

It is an arithmetic number, because the mean of its divisors is an integer number (1561488240).

Almost surely, 230232011222 is an apocalyptic number.

30232011222 is an abundant number, since it is smaller than the sum of its proper divisors (44719424298).

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

30232011222 is a wasteful number, since it uses less digits than its factorization.

30232011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292377 (or 292374 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30232011222 its reverse (22211023203), we get a palindrome (52443034425).

The spelling of 30232011222 in words is "thirty billion, two hundred thirty-two million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 823 1646 2469 4938 5761 7407 11522 14814 17283 34566 51849 103698 291539 583078 874617 1749234 2040773 2623851 4081546 5247702 6122319 12244638 18366957 36733914 239936597 479873194 719809791 1439619582 1679556179 2159429373 3359112358 4318858746 5038668537 10077337074 15116005611 30232011222