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7820068683 = 37596311597
BaseRepresentation
bin1110100100001110…
…01100011101001011
3202011222211122112110
413102013030131023
5112003414144213
63331551113403
7364534326030
oct72207143513
922158748473
107820068683
113353252389
121622b12863
1397819459b
1454282b387
1530b8075c3
hex1d21cc74b

7820068683 has 16 divisors (see below), whose sum is σ = 12118268160. Its totient is φ = 4392870816.

The previous prime is 7820068679. The next prime is 7820068757. The reversal of 7820068683 is 3868600287.

It is a happy number.

It is not a de Polignac number, because 7820068683 - 22 = 7820068679 is a prime.

It is a super-2 number, since 2×78200686832 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7820068673) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3154560 + ... + 3157037.

It is an arithmetic number, because the mean of its divisors is an integer number (757391760).

Almost surely, 27820068683 is an apocalyptic number.

7820068683 is a deficient number, since it is larger than the sum of its proper divisors (4298199477).

7820068683 is a wasteful number, since it uses less digits than its factorization.

7820068683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311666.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 7820068683 is about 88431.1522202442. The cubic root of 7820068683 is about 1984.8918833647.

The spelling of 7820068683 in words is "seven billion, eight hundred twenty million, sixty-eight thousand, six hundred eighty-three".

Divisors: 1 3 7 21 59 177 413 1239 6311597 18934791 44181179 132543537 372384223 1117152669 2606689561 7820068683