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85346274220 = 22531373720413
BaseRepresentation
bin100111101111100001…
…0001100101110101100
322011021221001221111021
41033133002030232230
52344242121233340
6103112454503524
76110650234624
oct1173702145654
9264257057437
1085346274220
1133216824029
121465a364ba4
138081943a9c
1441b8c17884
152347a24e4a
hex13df08cbac

85346274220 has 48 divisors (see below), whose sum is σ = 190008983808. Its totient is φ = 32144359680.

The previous prime is 85346274203. The next prime is 85346274227. The reversal of 85346274220 is 2247264358.

It is a super-3 number, since 3×853462742203 (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85346274227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837267 + ... + 1883146.

It is an arithmetic number, because the mean of its divisors is an integer number (3958520496).

Almost surely, 285346274220 is an apocalyptic number.

It is an amenable number.

85346274220 is an abundant number, since it is smaller than the sum of its proper divisors (104662709588).

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

85346274220 is a wasteful number, since it uses less digits than its factorization.

85346274220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720490 (or 3720488 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 85346274220 in words is "eighty-five billion, three hundred forty-six million, two hundred seventy-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 37 62 74 124 148 155 185 310 370 620 740 1147 2294 4588 5735 11470 22940 3720413 7440826 14881652 18602065 37204130 74408260 115332803 137655281 230665606 275310562 461331212 550621124 576664015 688276405 1153328030 1376552810 2306656060 2753105620 4267313711 8534627422 17069254844 21336568555 42673137110 85346274220