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29830564813 = 7219137233879
BaseRepresentation
bin11011110010000010…
…100100101111001101
32211222221110200222211
4123302002210233031
5442043111033223
621412020310421
72104141421500
oct336202445715
984887420884
1029830564813
1111718637955
125946242411
132a7524cbaa
14162db41137
15b98d0ad0d
hex6f20a4bcd

29830564813 has 24 divisors (see below), whose sum is σ = 36794001600. Its totient is φ = 24046400448.

The previous prime is 29830564793. The next prime is 29830564861. The reversal of 29830564813 is 31846503892.

It is not a de Polignac number, because 29830564813 - 25 = 29830564781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29830564213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10608 + ... + 244486.

It is an arithmetic number, because the mean of its divisors is an integer number (1533083400).

Almost surely, 229830564813 is an apocalyptic number.

It is an amenable number.

29830564813 is a deficient number, since it is larger than the sum of its proper divisors (6963436787).

29830564813 is a wasteful number, since it uses less digits than its factorization.

29830564813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234049 (or 234042 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 29830564813 in words is "twenty-nine billion, eight hundred thirty million, five hundred sixty-four thousand, eight hundred thirteen".

Divisors: 1 7 19 49 133 137 931 959 2603 6713 18221 127547 233879 1637153 4443701 11460071 31105907 32041423 217741349 224289961 608787037 1570029727 4261509259 29830564813