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7820196875 = 552502463
BaseRepresentation
bin1110100100001111…
…01011110000001011
3202012000002011101022
413102013223300023
5112003432300000
63331553543055
7364535401541
oct72207536013
922160064338
107820196875
11335332a727
121622b74a8b
1397820aa3a
14542861d91
1530b830585
hex1d21ebc0b

7820196875 has 12 divisors (see below), whose sum is σ = 9774624384. Its totient is φ = 6256155000.

The previous prime is 7820196863. The next prime is 7820196883. The reversal of 7820196875 is 5786910287.

It is not a de Polignac number, because 7820196875 - 24 = 7820196859 is a prime.

It is a super-2 number, since 2×78201968752 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1248107 + ... + 1254356.

It is an arithmetic number, because the mean of its divisors is an integer number (814552032).

Almost surely, 27820196875 is an apocalyptic number.

7820196875 is a deficient number, since it is larger than the sum of its proper divisors (1954427509).

7820196875 is an frugal number, since it uses more digits than its factorization.

7820196875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502488 (or 2502468 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 7820196875 is about 88431.8770297227. The cubic root of 7820196875 is about 1984.9027292145.

The spelling of 7820196875 in words is "seven billion, eight hundred twenty million, one hundred ninety-six thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 625 3125 2502463 12512315 62561575 312807875 1564039375 7820196875