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30220213302 = 23217263375509
BaseRepresentation
bin11100001001010000…
…111101110000110110
32220000002122220020100
4130021100331300312
5443342333311202
621514420014530
72116612401066
oct341120756066
986002586210
1030220213302
11118a85825a4
125a34831446
132b07ba8926
1416697ad3a6
15bbd12741c
hex70943dc36

30220213302 has 48 divisors (see below), whose sum is σ = 69592517280. Its totient is φ = 9444777216.

The previous prime is 30220213271. The next prime is 30220213343. The reversal of 30220213302 is 20331202203.

It is a happy number.

It is a super-2 number, since 2×302202133022 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 107277 + ... + 268232.

It is an arithmetic number, because the mean of its divisors is an integer number (1449844110).

Almost surely, 230220213302 is an apocalyptic number.

30220213302 is an abundant number, since it is smaller than the sum of its proper divisors (39372303978).

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

30220213302 is a wasteful number, since it uses less digits than its factorization.

30220213302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375797 (or 375794 counting only the distinct ones).

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

Adding to 30220213302 its reverse (20331202203), we get a palindrome (50551415505).

The spelling of 30220213302 in words is "thirty billion, two hundred twenty million, two hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 263 306 526 789 1578 2367 4471 4734 8942 13413 26826 40239 80478 375509 751018 1126527 2253054 3379581 6383653 6759162 12767306 19150959 38301918 57452877 98758867 114905754 197517734 296276601 592553202 888829803 1678900739 1777659606 3357801478 5036702217 10073404434 15110106651 30220213302