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1982220002 = 27991142873
BaseRepresentation
bin111011000100110…
…0100011011100010
312010010220012122122
41312021210123202
513024422020002
6524405504242
7100056410030
oct16611443342
95103805578
101982220002
11927a03254
12473a12082
13257890559
1414b38b550
15b904e6a2
hex762646e2

1982220002 has 16 divisors (see below), whose sum is σ = 3401544192. Its totient is φ = 848659680.

The previous prime is 1982220001. The next prime is 1982220007. The reversal of 1982220002 is 2000222891.

It is a super-2 number, since 2×19822200022 = 7858392272657760008, which contains 22 as substring.

1982220002 is a modest number, since divided by 220002 gives 1982 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1982220001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57563 + ... + 85310.

It is an arithmetic number, because the mean of its divisors is an integer number (212596512).

Almost surely, 21982220002 is an apocalyptic number.

1982220002 is a deficient number, since it is larger than the sum of its proper divisors (1419324190).

1982220002 is a wasteful number, since it uses less digits than its factorization.

1982220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143873.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1982220002 is about 44522.1293515932. The cubic root of 1982220002 is about 1256.1763655033.

Adding to 1982220002 its reverse (2000222891), we get a palindrome (3982442893).

The spelling of 1982220002 in words is "one billion, nine hundred eighty-two million, two hundred twenty thousand, two".

Divisors: 1 2 7 14 991 1982 6937 13874 142873 285746 1000111 2000222 141587143 283174286 991110001 1982220002