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30230103222 = 232111723390479
BaseRepresentation
bin11100001001110110…
…101100010010110110
32220000210021100122200
4130021312230102312
5443402401300342
621515412005330
72120062431504
oct341166542266
986023240580
1030230103222
1111903117a90
125a38000846
132b09c5c357
14166ac25674
15bbde2c94c
hex709dac4b6

30230103222 has 96 divisors (see below), whose sum is σ = 78945684480. Its totient is φ = 8246895360.

The previous prime is 30230103221. The next prime is 30230103401. The reversal of 30230103222 is 22230103203.

It is a happy number.

30230103222 is a `hidden beast` number, since 302 + 30 + 10 + 322 + 2 = 666.

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 = 30230103195 and 30230103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230103221) 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, 117822 + ... + 272657.

It is an arithmetic number, because the mean of its divisors is an integer number (822350880).

Almost surely, 230230103222 is an apocalyptic number.

30230103222 is an abundant number, since it is smaller than the sum of its proper divisors (48715581258).

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

30230103222 is a wasteful number, since it uses less digits than its factorization.

30230103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390538 (or 390535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30230103222 its reverse (22230103203), we get a palindrome (52460206425).

The spelling of 30230103222 in words is "thirty billion, two hundred thirty million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 17 18 22 23 33 34 46 51 66 69 99 102 138 153 187 198 207 253 306 374 391 414 506 561 759 782 1122 1173 1518 1683 2277 2346 3366 3519 4301 4554 7038 8602 12903 25806 38709 77418 390479 780958 1171437 2342874 3514311 4295269 6638143 7028622 8590538 8981017 12885807 13276286 17962034 19914429 25771614 26943051 38657421 39828858 53886102 59743287 73019573 77314842 80829153 98791187 119486574 146039146 152677289 161658306 197582374 219058719 296373561 305354578 438117438 458031867 592747122 657176157 889120683 916063734 1314352314 1374095601 1679450179 1778241366 2748191202 3358900358 5038350537 10076701074 15115051611 30230103222