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857294212348 = 227535712
BaseRepresentation
bin11000111100110101011…
…01111000110011111100
310000221211022022021212101
430132122231320303330
5103021214304243343
61453500250114444
7115636356400000
oct14363255706374
93027738267771
10857294212348
11300638262512
1211a19611ba24
1362ac4c74982
142d6c971a700
1517478219e4d
hexc79ab78cfc

857294212348 has 54 divisors (see below), whose sum is σ = 1750784417928. Its totient is φ = 367308917640.

The previous prime is 857294212331. The next prime is 857294212351. The reversal of 857294212348 is 843212492758.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 240069403 + ... + 240072973.

Almost surely, 2857294212348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 857294212348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875392208964).

857294212348 is an abundant number, since it is smaller than the sum of its proper divisors (893490205580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

857294212348 is an frugal number, since it uses more digits than its factorization.

857294212348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181 (or 3580 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 857294212348 in words is "eight hundred fifty-seven billion, two hundred ninety-four million, two hundred twelve thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2401 3571 4802 7142 9604 14284 16807 24997 33614 49994 67228 99988 174979 349958 699916 1224853 2449706 4899412 8573971 12752041 17147942 25504082 34295884 51008164 60017797 89264287 120035594 178528574 240071188 357057148 624850009 1249700018 2499400036 4373950063 8747900126 17495800252 30617650441 61235300882 122470601764 214323553087 428647106174 857294212348