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85255370061 = 342536681979
BaseRepresentation
bin100111101100110011…
…1011011010101001101
322011001121000112102120
41033121213123111031
52344100333320221
6103055450243153
76105464455131
oct1173147332515
9264047015376
1085255370061
113317a485424
1214633a264b9
138068b66444
1441aab133c1
15233ea6a5c6
hex13d99db54d

85255370061 has 8 divisors (see below), whose sum is σ = 113700571680. Its totient is φ = 56823540912.

The previous prime is 85255370047. The next prime is 85255370069. The reversal of 85255370061 is 16007355258.

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

It is not a de Polignac number, because 85255370061 - 217 = 85255238989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85255369995 and 85255370022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85255370069) 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, 3328231 + ... + 3353748.

It is an arithmetic number, because the mean of its divisors is an integer number (14212571460).

Almost surely, 285255370061 is an apocalyptic number.

It is an amenable number.

85255370061 is a deficient number, since it is larger than the sum of its proper divisors (28445201619).

85255370061 is a wasteful number, since it uses less digits than its factorization.

85255370061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686235.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 85255370061 in words is "eighty-five billion, two hundred fifty-five million, three hundred seventy thousand, sixty-one".

Divisors: 1 3 4253 12759 6681979 20045937 28418456687 85255370061