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1982198299 = 3789601943
BaseRepresentation
bin111011000100101…
…1111001000011011
312010010212002212211
41312021133020123
513024420321144
6524405215551
7100056256534
oct16611371033
95103762784
101982198299
11927998a14
12473a015b7
13257883703
1414b38368b
15b9048034
hex7625f21b

1982198299 has 8 divisors (see below), whose sum is σ = 2058648480. Its totient is φ = 1906952256.

The previous prime is 1982198293. The next prime is 1982198303. The reversal of 1982198299 is 9928912891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982198299 - 219 = 1981674011 is a prime.

It is a super-2 number, since 2×19821982992 = 7858220193116986802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982198293) 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 7 ways as a sum of consecutive naturals, for example, 297679 + ... + 304264.

It is an arithmetic number, because the mean of its divisors is an integer number (257331060).

Almost surely, 21982198299 is an apocalyptic number.

1982198299 is a deficient number, since it is larger than the sum of its proper divisors (76450181).

1982198299 is an equidigital number, since it uses as much as digits as its factorization.

1982198299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602069.

The product of its digits is 1679616, while the sum is 58.

The square root of 1982198299 is about 44521.8856181991. The cubic root of 1982198299 is about 1256.1717809306.

The spelling of 1982198299 in words is "one billion, nine hundred eighty-two million, one hundred ninety-eight thousand, two hundred ninety-nine".

Divisors: 1 37 89 3293 601943 22271891 53572927 1982198299