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10520254452 = 2234128375557
BaseRepresentation
bin10011100110000111…
…00101011111110100
31000011011201022001210
421303003211133310
5133021141120302
64455525321420
7521462454531
oct116303453764
930134638053
1010520254452
114509455974
122057266270
13cb8714746
1471b2abd88
154188c766c
hex2730e57f4

10520254452 has 48 divisors (see below), whose sum is σ = 25235163072. Its totient is φ = 3409086720.

The previous prime is 10520254427. The next prime is 10520254453. The reversal of 10520254452 is 25445202501.

It is a super-2 number, since 2×105202544522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520254453) 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, 101458 + ... + 177014.

It is an arithmetic number, because the mean of its divisors is an integer number (525732564).

Almost surely, 210520254452 is an apocalyptic number.

10520254452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10520254452 is an abundant number, since it is smaller than the sum of its proper divisors (14714908620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10520254452 is a wasteful number, since it uses less digits than its factorization.

10520254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75888 (or 75886 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 10520254452 its reverse (25445202501), we get a palindrome (35965456953).

The spelling of 10520254452 in words is "ten billion, five hundred twenty million, two hundred fifty-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 283 492 566 849 1132 1698 3396 11603 23206 34809 46412 69618 75557 139236 151114 226671 302228 453342 906684 3097837 6195674 9293511 12391348 18587022 21382631 37174044 42765262 64147893 85530524 128295786 256591572 876687871 1753375742 2630063613 3506751484 5260127226 10520254452