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30704197615 = 5713292326957
BaseRepresentation
bin11100100110000111…
…001101111111101111
32221020211100211220021
4130212013031333233
51000340233310430
622034425303011
72134610242060
oct344607157757
987224324807
1030704197615
11120267a0133
125b4a934a67
132b84243c90
1416b3b96567
15bea87a07a
hex7261cdfef

30704197615 has 32 divisors (see below), whose sum is σ = 46911473280. Its totient is φ = 18764573184.

The previous prime is 30704197613. The next prime is 30704197621. The reversal of 30704197615 is 51679140703.

It is not a de Polignac number, because 30704197615 - 21 = 30704197613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30704197613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150284 + ... + 1176673.

It is an arithmetic number, because the mean of its divisors is an integer number (1465983540).

Almost surely, 230704197615 is an apocalyptic number.

30704197615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30704197615 is a deficient number, since it is larger than the sum of its proper divisors (16207275665).

30704197615 is a wasteful number, since it uses less digits than its factorization.

30704197615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327011.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 30704197615 in words is "thirty billion, seven hundred four million, one hundred ninety-seven thousand, six hundred fifteen".

Divisors: 1 5 7 13 29 35 65 91 145 203 377 455 1015 1885 2639 13195 2326957 11634785 16288699 30250441 67481753 81443495 151252205 211753087 337408765 472372271 877262789 1058765435 2361861355 4386313945 6140839523 30704197615