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30302101242 = 2337266330103
BaseRepresentation
bin11100001110001001…
…010101111011111010
32220012210202020101000
4130032021111323322
5444024314214432
621530503105430
72121625416330
oct341611257372
986183666330
1030302101242
111193a823186
125a58142276
132b1bb4a42a
141676607b50
15bc540057c
hex70e255efa

30302101242 has 64 divisors (see below), whose sum is σ = 76989173760. Its totient is φ = 8654204592.

The previous prime is 30302101237. The next prime is 30302101301. The reversal of 30302101242 is 24210120303.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991563 + ... + 1021665.

It is an arithmetic number, because the mean of its divisors is an integer number (1202955840).

Almost surely, 230302101242 is an apocalyptic number.

30302101242 is an abundant number, since it is smaller than the sum of its proper divisors (46687072518).

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

30302101242 is a wasteful number, since it uses less digits than its factorization.

30302101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32784 (or 32778 counting only the distinct ones).

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

Adding to 30302101242 its reverse (24210120303), we get a palindrome (54512221545).

The spelling of 30302101242 in words is "thirty billion, three hundred two million, one hundred one thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 2663 5326 7989 15978 18641 23967 30103 37282 47934 55923 60206 71901 90309 111846 143802 167769 180618 210721 270927 335538 421442 503307 541854 632163 812781 1006614 1264326 1625562 1896489 3792978 5689467 11378934 80164289 160328578 240492867 480985734 561150023 721478601 1122300046 1442957202 1683450069 2164435803 3366900138 4328871606 5050350207 10100700414 15151050621 30302101242