Search a number
-
+
525005201252 = 227131143131189
BaseRepresentation
bin1111010001111001011…
…11111001111101100100
31212012010111220112211102
413220330233321331210
532100202312420002
61041103431255232
752634055402620
oct7507457717544
91765114815742
10525005201252
11192720827284
12858bb21a518
133a67a78584c
141b5a6162180
15d9caed1a02
hex7a3cbf9f64

525005201252 has 24 divisors (see below), whose sum is σ = 1058025756480. Its totient is φ = 223284653280.

The previous prime is 525005201213. The next prime is 525005201263. The reversal of 525005201252 is 252102500525.

It is a super-2 number, since 2×5250052012522 (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 7 ways as a sum of consecutive naturals, for example, 71561927 + ... + 71569262.

It is an arithmetic number, because the mean of its divisors is an integer number (44084406520).

Almost surely, 2525005201252 is an apocalyptic number.

It is an amenable number.

525005201252 is an abundant number, since it is smaller than the sum of its proper divisors (533020555228).

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

525005201252 is a wasteful number, since it uses less digits than its factorization.

525005201252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143131331 (or 143131329 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 525005201252 its reverse (252102500525), we get a palindrome (777107701777).

The spelling of 525005201252 in words is "five hundred twenty-five billion, five million, two hundred one thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 131 262 524 917 1834 3668 143131189 286262378 572524756 1001918323 2003836646 4007673292 18750185759 37500371518 75000743036 131251300313 262502600626 525005201252