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85033642932 = 223272172835589
BaseRepresentation
bin100111100110001100…
…1100110101110110100
322010111010210121222200
41033030121212232310
52343122103033212
6103021450024500
76100133016300
oct1171431465664
9263433717880
1085033642932
1133076302567
1214591718130
138031c42864
1441894b6d00
15232a36d6dc
hex13cc666bb4

85033642932 has 108 divisors (see below), whose sum is σ = 264747695940. Its totient is φ = 22866181632.

The previous prime is 85033642919. The next prime is 85033642937. The reversal of 85033642932 is 23924633058.

It can be written as a sum of positive squares in 2 ways, for example, as 63461671056 + 21571971876 = 251916^2 + 146874^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85033642937) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1387807 + ... + 1447782.

It is an arithmetic number, because the mean of its divisors is an integer number (2451367555).

Almost surely, 285033642932 is an apocalyptic number.

It is an amenable number.

85033642932 is an abundant number, since it is smaller than the sum of its proper divisors (179714053008).

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

85033642932 is a wasteful number, since it uses less digits than its factorization.

85033642932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835630 (or 2835618 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 85033642932 in words is "eighty-five billion, thirty-three million, six hundred forty-two thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 49 51 63 68 84 98 102 119 126 147 153 196 204 238 252 294 306 357 441 476 588 612 714 833 882 1071 1428 1666 1764 2142 2499 3332 4284 4998 7497 9996 14994 29988 2835589 5671178 8506767 11342356 17013534 19849123 25520301 34027068 39698246 48205013 51040602 59547369 79396492 96410026 102081204 119094738 138943861 144615039 178642107 192820052 238189476 277887722 289230078 337435091 357284214 416831583 433845117 555775444 578460156 674870182 714568428 833663166 867690234 1012305273 1250494749 1349740364 1667326332 1735380468 2024610546 2362045637 2500989498 3036915819 4049221092 4724091274 5001978996 6073831638 7086136911 9448182548 12147663276 14172273822 21258410733 28344547644 42516821466 85033642932