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252705230805 = 3583972092537
BaseRepresentation
bin1110101101011001100…
…1111100111111010101
3220011021110110211010210
43223112121330333111
513120020014341210
6312031410040033
724154162010016
oct3532631747725
9804243424123
10252705230805
1198198573195
1240b86579019
131aaa3687491
14c333c0700d
156890583e20
hex3ad667cfd5

252705230805 has 32 divisors (see below), whose sum is σ = 413418547584. Its totient is φ = 131779547136.

The previous prime is 252705230797. The next prime is 252705230831. The reversal of 252705230805 is 508032507252.

It is not a de Polignac number, because 252705230805 - 23 = 252705230797 is a prime.

It is a congruent number.

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, 925504 + ... + 1167033.

It is an arithmetic number, because the mean of its divisors is an integer number (12919329612).

Almost surely, 2252705230805 is an apocalyptic number.

It is an amenable number.

252705230805 is a deficient number, since it is larger than the sum of its proper divisors (160713316779).

252705230805 is a wasteful number, since it uses less digits than its factorization.

252705230805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092725.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 252705230805 in words is "two hundred fifty-two billion, seven hundred five million, two hundred thirty thousand, eight hundred five".

Divisors: 1 3 5 15 83 97 249 291 415 485 1245 1455 8051 24153 40255 120765 2092537 6277611 10462685 31388055 173680571 202976089 521041713 608928267 868402855 1014880445 2605208565 3044641335 16847015387 50541046161 84235076935 252705230805