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201289103869 = 7316679138883
BaseRepresentation
bin1011101101110111000…
…0111111100111111101
3201020120011221221120011
42323131300333213331
511244220002310434
6232245420023221
720354063103220
oct2733560774775
9636504857504
10201289103869
11784034a6aa7
1233017391b11
1315c9b410729
149a573a75b7
155381710e64
hex2eddc3f9fd

201289103869 has 16 divisors (see below), whose sum is σ = 237502750720. Its totient is φ = 166941719280.

The previous prime is 201289103843. The next prime is 201289103881. The reversal of 201289103869 is 968301982102.

It is not a de Polignac number, because 201289103869 - 25 = 201289103837 is a prime.

It is a super-2 number, since 2×2012891038692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201289103809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379902 + ... + 1518784.

It is an arithmetic number, because the mean of its divisors is an integer number (14843921920).

Almost surely, 2201289103869 is an apocalyptic number.

It is an amenable number.

201289103869 is a deficient number, since it is larger than the sum of its proper divisors (36213646851).

201289103869 is a wasteful number, since it uses less digits than its factorization.

201289103869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145600.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 201289103869 in words is "two hundred one billion, two hundred eighty-nine million, one hundred three thousand, eight hundred sixty-nine".

Divisors: 1 7 31 217 6679 46753 138883 207049 972181 1449343 4305373 30137611 927599557 6493196899 28755586267 201289103869