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255171202852 = 2217192337232081
BaseRepresentation
bin1110110110100101100…
…0111000111100100100
3220101122022122011211211
43231221120320330210
513140042311442402
6313120220241204
724302244302626
oct3555130707444
9811568564754
10255171202852
1199243545515
12415543a0204
131b0a7531437
14c4c951ac16
156986cdc4d7
hex3b69638f24

255171202852 has 96 divisors (see below), whose sum is σ = 533380135680. Its totient is φ = 105873039360.

The previous prime is 255171202807. The next prime is 255171202861. The reversal of 255171202852 is 258202171552.

It is a super-2 number, since 2×2551712028522 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983452 + ... + 1215532.

It is an arithmetic number, because the mean of its divisors is an integer number (5556043080).

Almost surely, 2255171202852 is an apocalyptic number.

It is an amenable number.

255171202852 is an abundant number, since it is smaller than the sum of its proper divisors (278208932828).

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

255171202852 is a wasteful number, since it uses less digits than its factorization.

255171202852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232181 (or 232179 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 255171202852 in words is "two hundred fifty-five billion, one hundred seventy-one million, two hundred two thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 19 23 34 37 38 46 68 74 76 92 148 323 391 437 629 646 703 782 851 874 1258 1292 1406 1564 1702 1748 2516 2812 3404 7429 11951 14467 14858 16169 23902 28934 29716 32338 47804 57868 64676 232081 274873 464162 549746 928324 1099492 3945377 4409539 5337863 7890754 8586997 8819078 10675726 15781508 17173994 17638156 21351452 34347988 74962163 90743671 101419397 145978949 149924326 163152943 181487342 197500931 202838794 291957898 299848652 326305886 362974684 395001862 405677588 583915796 652611772 790003724 1724129749 2773600031 3357515827 3448259498 3752517689 5547200062 6715031654 6896518996 7505035378 11094400124 13430063308 15010070756 63792800713 127585601426 255171202852