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85874345349 = 3132672528021
BaseRepresentation
bin100111111111010000…
…0101000010110000101
322012122201201201220020
41033332200220112011
52401332313022344
6103241121125353
76130021614612
oct1177640502605
9265581651806
1085874345349
1133467913751
1214787189859
138137176c00
144228dd9509
152379085719
hex13fe828585

85874345349 has 24 divisors (see below), whose sum is σ = 125834823072. Its totient is φ = 52056987840.

The previous prime is 85874345311. The next prime is 85874345369. The reversal of 85874345349 is 94354347858.

It is not a de Polignac number, because 85874345349 - 236 = 17154868613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85874345292 and 85874345301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85874345369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1230042 + ... + 1297979.

It is an arithmetic number, because the mean of its divisors is an integer number (5243117628).

Almost surely, 285874345349 is an apocalyptic number.

It is an amenable number.

85874345349 is a deficient number, since it is larger than the sum of its proper divisors (39960477723).

85874345349 is a wasteful number, since it uses less digits than its factorization.

85874345349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528117 (or 2528104 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 60.

The spelling of 85874345349 in words is "eighty-five billion, eight hundred seventy-four million, three hundred forty-five thousand, three hundred forty-nine".

Divisors: 1 3 13 39 67 169 201 507 871 2613 11323 33969 2528021 7584063 32864273 98592819 169377407 427235549 508132221 1281706647 2201906291 6605718873 28624781783 85874345349