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523215430233 = 31762929163027
BaseRepresentation
bin1111001110100100001…
…00011110001001011001
31212000111210010202112220
413213102010132021121
532033021122231413
61040210054254253
752541523530406
oct7472204361131
91760453122486
10523215430233
11191992519881
128549b957389
133a453a37642
141b47658d2ad
15d923ce9223
hex79d211e259

523215430233 has 16 divisors (see below), whose sum is σ = 738673346880. Its totient is φ = 328284804096.

The previous prime is 523215430219. The next prime is 523215430247. The reversal of 523215430233 is 332034512325.

It is an interprime number because it is at equal distance from previous prime (523215430219) and next prime (523215430247).

It is not a de Polignac number, because 523215430233 - 217 = 523215299161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523215430194 and 523215430203.

It is not an unprimeable number, because it can be changed into a prime (523215438233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127866 + ... + 3290892.

It is an arithmetic number, because the mean of its divisors is an integer number (46167084180).

Almost surely, 2523215430233 is an apocalyptic number.

It is an amenable number.

523215430233 is a deficient number, since it is larger than the sum of its proper divisors (215457916647).

523215430233 is a wasteful number, since it uses less digits than its factorization.

523215430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225976.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 523215430233 its reverse (332034512325), we get a palindrome (855249942558).

The spelling of 523215430233 in words is "five hundred twenty-three billion, two hundred fifteen million, four hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 17 51 62929 163027 188787 489081 1069793 2771459 3209379 8314377 10259126083 30777378249 174405143411 523215430233