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525452254525 = 52111910735471
BaseRepresentation
bin1111010010101110110…
…01010001110100111101
31212020021200010012122001
413221113121101310331
532102111234121100
61041220041222301
752651124320132
oct7512731216475
91766250105561
10525452254525
1119293010aaa0
1285a04a91991
133a71c290203
141b609694589
15da0538bd6a
hex7a57651d3d

525452254525 has 12 divisors (see below), whose sum is σ = 710793595584. Its totient is φ = 382147094000.

The previous prime is 525452254441. The next prime is 525452254553.

525452254525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525452254525 - 217 = 525452123453 is a prime.

It is a super-2 number, since 2×5254522545252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955367461 + ... + 955368010.

It is an arithmetic number, because the mean of its divisors is an integer number (59232799632).

Almost surely, 2525452254525 is an apocalyptic number.

525452254525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525452254525 is a deficient number, since it is larger than the sum of its proper divisors (185341341059).

525452254525 is a wasteful number, since it uses less digits than its factorization.

525452254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910735492 (or 1910735487 counting only the distinct ones).

The product of its digits is 4000000, while the sum is 46.

It can be divided in two parts, 525452 and 254525, that added together give a palindrome (779977).

The spelling of 525452254525 in words is "five hundred twenty-five billion, four hundred fifty-two million, two hundred fifty-four thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 1910735471 9553677355 21018090181 47768386775 105090450905 525452254525