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523889988325 = 521121812693557
BaseRepresentation
bin1111001111110100100…
…01101101001011100101
31212002020210102212021221
413213322101231023211
532040411314111300
61040401032340341
752564324266154
oct7477221551345
91762223385257
10523889988325
111921a9271300
12856498446b1
133a530709642
141b4dbdc359b
15d96314331a
hex79fa46d2e5

523889988325 has 72 divisors (see below), whose sum is σ = 720865814760. Its totient is φ = 377391168000.

The previous prime is 523889988299. The next prime is 523889988361.

523889988325 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 12 ways, for example, as 499122468196 + 24767520129 = 706486^2 + 157377^2 .

It is not a de Polignac number, because 523889988325 - 27 = 523889988197 is a prime.

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 71 ways as a sum of consecutive naturals, for example, 147282447 + ... + 147286003.

It is an arithmetic number, because the mean of its divisors is an integer number (10012025205).

Almost surely, 2523889988325 is an apocalyptic number.

523889988325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523889988325 is a deficient number, since it is larger than the sum of its proper divisors (196975826435).

523889988325 is a wasteful number, since it uses less digits than its factorization.

523889988325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039 (or 4023 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 70.

The spelling of 523889988325 in words is "five hundred twenty-three billion, eight hundred eighty-nine million, nine hundred eighty-eight thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 121 181 269 275 605 905 1345 1991 2959 3025 3557 4525 6725 9955 14795 17785 21901 32549 39127 48689 49775 73975 88925 109505 162745 195635 243445 430397 535579 547525 643817 813725 956833 978175 1217225 2151985 2677895 3219085 4784165 5891369 7081987 10525163 10759925 13389475 16095425 23920825 29456845 35409935 52625815 77901857 115776793 147284225 173186773 177049675 263129075 389509285 578883965 865933865 1905054503 1947546425 2894419825 4329669325 9525272515 20955599533 47626362575 104777997665 523889988325