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27945698099 = 118393028031
BaseRepresentation
bin11010000001101100…
…011000001100110011
32200010120202112221112
4122001230120030303
5424213044314344
620501005143535
72006343341324
oct320154301463
980116675845
1027945698099
1110940688670
1254bab5abab
1328348b7547
1414d169644b
15ad85dbc9e
hex681b18333

27945698099 has 8 divisors (see below), whose sum is σ = 30522562560. Its totient is φ = 25374891400.

The previous prime is 27945698093. The next prime is 27945698107. The reversal of 27945698099 is 99089654972.

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 27945698099 - 24 = 27945698083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27945698093) 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, 1504787 + ... + 1523244.

It is an arithmetic number, because the mean of its divisors is an integer number (3815320320).

Almost surely, 227945698099 is an apocalyptic number.

27945698099 is a deficient number, since it is larger than the sum of its proper divisors (2576864461).

27945698099 is a wasteful number, since it uses less digits than its factorization.

27945698099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028881.

The product of its (nonzero) digits is 88179840, while the sum is 68.

The spelling of 27945698099 in words is "twenty-seven billion, nine hundred forty-five million, six hundred ninety-eight thousand, ninety-nine".

Divisors: 1 11 839 9229 3028031 33308341 2540518009 27945698099