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85855855858 = 247239089123
BaseRepresentation
bin100111111110101101…
…0000110010011110010
322012121102221101002021
41033331122012103302
52401313044341413
6103235220542054
76126405506443
oct1177532062362
9265542841067
1085855855858
1133458435283
1214780b5192a
1381333a2196
1442267852ca
15237763218d
hex13fd6864f2

85855855858 has 8 divisors (see below), whose sum is σ = 128811065328. Its totient is φ = 42918834084.

The previous prime is 85855855817. The next prime is 85855855859.

85855855858 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (85855855859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4535116 + ... + 4554007.

It is an arithmetic number, because the mean of its divisors is an integer number (16101383166).

Almost surely, 285855855858 is an apocalyptic number.

85855855858 is a deficient number, since it is larger than the sum of its proper divisors (42955209470).

85855855858 is a wasteful number, since it uses less digits than its factorization.

85855855858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093848.

The product of its digits is 512000000, while the sum is 70.

The spelling of 85855855858 in words is "eighty-five billion, eight hundred fifty-five million, eight hundred fifty-five thousand, eight hundred fifty-eight".

Divisors: 1 2 4723 9446 9089123 18178246 42927927929 85855855858