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85386586037 = 431985734559
BaseRepresentation
bin100111110000101101…
…1111110011110110101
322011101201220222220112
41033201123332132311
52344332431223122
6103120454512405
76111650002034
oct1174133763665
9264351828815
1085386586037
1133237557985
121466b965705
13808a0b952c
1441c030c71b
15234b3392e2
hex13e16fe7b5

85386586037 has 4 divisors (see below), whose sum is σ = 87372320640. Its totient is φ = 83400851436.

The previous prime is 85386586009. The next prime is 85386586063. The reversal of 85386586037 is 73068568358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85386586037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85386586007) 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, 992867237 + ... + 992867322.

It is an arithmetic number, because the mean of its divisors is an integer number (21843080160).

Almost surely, 285386586037 is an apocalyptic number.

It is an amenable number.

85386586037 is a deficient number, since it is larger than the sum of its proper divisors (1985734603).

85386586037 is a wasteful number, since it uses less digits than its factorization.

85386586037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985734602.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 85386586037 in words is "eighty-five billion, three hundred eighty-six million, five hundred eighty-six thousand, thirty-seven".

Divisors: 1 43 1985734559 85386586037