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85392388942 = 27313101319237
BaseRepresentation
bin100111110000111001…
…0000111001101001110
322011102010211210222221
41033201302013031032
52344340422421232
6103121223125554
76112050221110
oct1174162071516
9264363753887
1085392388942
113323a860773
12146718a38ba
13808b36b8c3
1441c0dbd3b0
15234bad3897
hex13e1c8734e

85392388942 has 32 divisors (see below), whose sum is σ = 147007253952. Its totient is φ = 36441909504.

The previous prime is 85392388927. The next prime is 85392388943. The reversal of 85392388942 is 24988329358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85392388943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429348 + ... + 4448584.

It is an arithmetic number, because the mean of its divisors is an integer number (4593976686).

Almost surely, 285392388942 is an apocalyptic number.

85392388942 is a deficient number, since it is larger than the sum of its proper divisors (61614865010).

85392388942 is a wasteful number, since it uses less digits than its factorization.

85392388942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572.

The product of its digits is 29859840, while the sum is 61.

The spelling of 85392388942 in words is "eighty-five billion, three hundred ninety-two million, three hundred eighty-eight thousand, nine hundred forty-two".

Divisors: 1 2 7 14 313 626 1013 2026 2191 4382 7091 14182 19237 38474 134659 269318 317069 634138 2219483 4438966 6021181 12042362 19487081 38974162 42148267 84296534 136409567 272819134 6099456353 12198912706 42696194471 85392388942