Search a number
-
+
42052345205 = 5132172237487
BaseRepresentation
bin100111001010100000…
…111101110101110101
311000112200220110211212
4213022200331311311
51142110400021310
631152451411205
73016045015343
oct471240756565
9130480813755
1042052345205
111691a4a8402
1281972b3b05
133c72326600
14206cdb0993
151161c89205
hex9ca83dd75

42052345205 has 72 divisors (see below), whose sum is σ = 60578399232. Its totient is φ = 27952843776.

The previous prime is 42052345199. The next prime is 42052345217. The reversal of 42052345205 is 50254325024.

It is not a de Polignac number, because 42052345205 - 210 = 42052344181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5612972 + ... + 5620458.

It is an arithmetic number, because the mean of its divisors is an integer number (841366656).

Almost surely, 242052345205 is an apocalyptic number.

It is an amenable number.

42052345205 is a deficient number, since it is larger than the sum of its proper divisors (18526054027).

42052345205 is a wasteful number, since it uses less digits than its factorization.

42052345205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575 (or 7545 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 42052345205 in words is "forty-two billion, fifty-two million, three hundred forty-five thousand, two hundred five".

Divisors: 1 5 13 17 23 65 85 115 169 221 289 299 391 845 1105 1445 1495 1955 2873 3757 3887 5083 6647 7487 14365 18785 19435 25415 33235 37435 48841 66079 86411 97331 127279 172201 244205 330395 432055 486655 636395 861005 1123343 1265303 1654627 2163743 2238613 2927417 5616715 6326515 8273135 10818715 11193065 14637085 21510151 28128659 29101969 38056421 49766089 107550755 140643295 145509845 190282105 248830445 365672567 494733473 646959157 1828362835 2473667365 3234795785 8410469041 42052345205