Search a number
-
+
520235531333 = 7274129999041
BaseRepresentation
bin1111001001000000111…
…01000011110001000101
31211201211002221012201222
413210200131003301011
532010420244000313
61034554244530125
752404631024460
oct7444035036105
91751732835658
10520235531333
111906a3438711
12849a99b0945
133a09a57055b
141b2728da2d7
15d7ec3c6208
hex7920743c45

520235531333 has 16 divisors (see below), whose sum is σ = 595035936000. Its totient is φ = 445555564800.

The previous prime is 520235531311. The next prime is 520235531351. The reversal of 520235531333 is 333135532025.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 520235531333 - 228 = 519967095877 is a prime.

It is a super-2 number, since 2×5202355313332 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520235531293 and 520235531302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520235531353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57537293 + ... + 57546333.

It is an arithmetic number, because the mean of its divisors is an integer number (37189746000).

Almost surely, 2520235531333 is an apocalyptic number.

It is an amenable number.

520235531333 is a deficient number, since it is larger than the sum of its proper divisors (74800404667).

520235531333 is a wasteful number, since it uses less digits than its factorization.

520235531333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788.

The product of its (nonzero) digits is 121500, while the sum is 35.

The spelling of 520235531333 in words is "five hundred twenty billion, two hundred thirty-five million, five hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 7 2741 2999 9041 19187 20993 63287 8220259 24781381 27113959 57541813 173469667 189797713 74319361619 520235531333