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30710144262 = 2372104999577
BaseRepresentation
bin11100100110011101…
…111001110100000110
32221021020112222011110
4130212131321310012
51000343244104022
622035200545450
72135011630200
oct344635716406
987236488143
1030710144262
111202a091a16
125b50922286
132b855468c5
1416b48a3770
15beb15200c
hex726779d06

30710144262 has 48 divisors (see below), whose sum is σ = 71516919600. Its totient is φ = 8765874432.

The previous prime is 30710144191. The next prime is 30710144281. The reversal of 30710144262 is 26244101703.

It is a super-2 number, since 2×307101442622 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258618 + ... + 358194.

It is an arithmetic number, because the mean of its divisors is an integer number (1489935825).

Almost surely, 230710144262 is an apocalyptic number.

30710144262 is an abundant number, since it is smaller than the sum of its proper divisors (40806775338).

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

30710144262 is a wasteful number, since it uses less digits than its factorization.

30710144262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100645 (or 100638 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 30710144262 its reverse (26244101703), we get a palindrome (56954245965).

The spelling of 30710144262 in words is "thirty billion, seven hundred ten million, one hundred forty-four thousand, two hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 1049 2098 3147 6294 7343 14686 22029 44058 51401 99577 102802 154203 199154 298731 308406 597462 697039 1394078 2091117 4182234 4879273 9758546 14637819 29275638 104456273 208912546 313368819 626737638 731193911 1462387822 2193581733 4387163466 5118357377 10236714754 15355072131 30710144262