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85086138207 = 3719727677433
BaseRepresentation
bin100111100111110000…
…1110110111101011111
322010121210120122222010
41033033201312331133
52343224022410312
6103031003122303
76101341145610
oct1171741667537
9263553518863
1085086138207
11330a29a7a94
12145a7213393
13803ca92955
14419245dc07
15232ec8c93c
hex13cf876f5f

85086138207 has 32 divisors (see below), whose sum is σ = 130377848832. Its totient is φ = 48349857024.

The previous prime is 85086138139. The next prime is 85086138229. The reversal of 85086138207 is 70283168058.

It is not a de Polignac number, because 85086138207 - 27 = 85086138079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85086138407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11443363 + ... + 11450795.

It is an arithmetic number, because the mean of its divisors is an integer number (4074307776).

Almost surely, 285086138207 is an apocalyptic number.

85086138207 is a deficient number, since it is larger than the sum of its proper divisors (45291710625).

85086138207 is a wasteful number, since it uses less digits than its factorization.

85086138207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 85086138207 in words is "eighty-five billion, eighty-six million, one hundred thirty-eight thousand, two hundred seven".

Divisors: 1 3 7 21 197 591 1379 2767 4137 7433 8301 19369 22299 52031 58107 156093 545099 1464301 1635297 3815693 4392903 10250107 11447079 20567111 30750321 61701333 143969777 431909331 4051720867 12155162601 28362046069 85086138207