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85854984740 = 22571736073523
BaseRepresentation
bin100111111110101011…
…0110001101000100100
322012121101022010010122
41033331112301220210
52401312334002430
6103235150141112
76126365220650
oct1177526615044
9265541263118
1085854984740
113345799a848
12147807b1798
138133158825
1442265d9a60
15237750dee5
hex13fd5b1a24

85854984740 has 48 divisors (see below), whose sum is σ = 218172673152. Its totient is φ = 27704464896.

The previous prime is 85854984737. The next prime is 85854984749. The reversal of 85854984740 is 4748945858.

It is not an unprimeable number, because it can be changed into a prime (85854984749) 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, 18034382 + ... + 18039141.

It is an arithmetic number, because the mean of its divisors is an integer number (4545264024).

Almost surely, 285854984740 is an apocalyptic number.

It is an amenable number.

85854984740 is an abundant number, since it is smaller than the sum of its proper divisors (132317688412).

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

85854984740 is a wasteful number, since it uses less digits than its factorization.

85854984740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36073556 (or 36073554 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 85854984740 in words is "eighty-five billion, eight hundred fifty-four million, nine hundred eighty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 36073523 72147046 144294092 180367615 252514661 360735230 505029322 613249891 721470460 1010058644 1226499782 1262573305 2452999564 2525146610 3066249455 4292749237 5050293220 6132498910 8585498474 12264997820 17170996948 21463746185 42927492370 85854984740