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10520225243 = 1117431308323
BaseRepresentation
bin10011100110000110…
…11110010111011011
31000011011122210222222
421303003132113123
5133021134201433
64455524534255
7521462303423
oct116303362733
930134583888
1010520225243
114509435a30
12205725138b
13cb8704368
1471b2a1483
154188bdb98
hex2730de5db

10520225243 has 16 divisors (see below), whose sum is σ = 12434311296. Its totient is φ = 8791923840.

The previous prime is 10520225239. The next prime is 10520225251. The reversal of 10520225243 is 34252202501.

It is a cyclic number.

It is not a de Polignac number, because 10520225243 - 22 = 10520225239 is a prime.

It is a super-2 number, since 2×105202252432 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520225263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646121 + ... + 662202.

It is an arithmetic number, because the mean of its divisors is an integer number (777144456).

Almost surely, 210520225243 is an apocalyptic number.

10520225243 is a deficient number, since it is larger than the sum of its proper divisors (1914086053).

10520225243 is a wasteful number, since it uses less digits than its factorization.

10520225243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308394.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 10520225243 its reverse (34252202501), we get a palindrome (44772427744).

The spelling of 10520225243 in words is "ten billion, five hundred twenty million, two hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 11 17 43 187 473 731 8041 1308323 14391553 22241491 56257889 244656401 618836779 956384113 10520225243