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523893398325 = 352111722197309
BaseRepresentation
bin1111001111110100111…
…10101101101100110101
31212002021000212002221020
413213322132231230311
532040413202221300
61040401233411353
752564365260643
oct7477236555465
91762230762836
10523893398325
11192200190290
128564aa09b59
133a5313317ab
141b4dc630193
15d9635b88a0
hex79fa7adb35

523893398325 has 72 divisors (see below), whose sum is σ = 1003766364960. Its totient is φ = 239067110400.

The previous prime is 523893398321. The next prime is 523893398339.

523893398325 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 523893398325 - 22 = 523893398321 is a prime.

It is a super-2 number, since 2×5238933983252 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523893398321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 860230 + ... + 1337079.

Almost surely, 2523893398325 is an apocalyptic number.

523893398325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523893398325 is a deficient number, since it is larger than the sum of its proper divisors (479872966635).

523893398325 is a wasteful number, since it uses less digits than its factorization.

523893398325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197367 (or 2197345 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 60.

The spelling of 523893398325 in words is "five hundred twenty-three billion, eight hundred ninety-three million, three hundred ninety-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 11 15 17 25 33 51 55 75 85 165 187 255 275 289 425 561 825 867 935 1275 1445 2805 3179 4335 4675 7225 9537 14025 15895 21675 47685 79475 238425 2197309 6591927 10986545 24170399 32959635 37354253 54932725 72511197 112062759 120851995 164798175 186771265 362555985 410896783 560313795 604259975 635022301 933856325 1232690349 1812779925 1905066903 2054483915 2801568975 3175111505 6163451745 6985245311 9525334515 10272419575 15875557525 20955735933 30817258725 34926226555 47626672575 104778679665 174631132775 523893398325