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10531442425 = 52771847601
BaseRepresentation
bin10011100111011100…
…10000111011111001
31000011221202201002011
421303232100323321
5133032022124200
64501005205521
7521656532530
oct116356207371
930157681064
1010531442425
1145147a7629
12205ab608a1
13cbab30c4a
1471c981317
154198875ba
hex273b90ef9

10531442425 has 24 divisors (see below), whose sum is σ = 15134781312. Its totient is φ = 7119840000.

The previous prime is 10531442401. The next prime is 10531442429. The reversal of 10531442425 is 52424413501.

It is not a de Polignac number, because 10531442425 - 25 = 10531442393 is a prime.

It is a super-2 number, since 2×105314424252 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10531442429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411376 + ... + 436225.

It is an arithmetic number, because the mean of its divisors is an integer number (630615888).

Almost surely, 210531442425 is an apocalyptic number.

It is an amenable number.

10531442425 is a deficient number, since it is larger than the sum of its proper divisors (4603338887).

10531442425 is an equidigital number, since it uses as much as digits as its factorization.

10531442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847689 (or 847684 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 10531442425 its reverse (52424413501), we get a palindrome (62955855926).

The spelling of 10531442425 in words is "ten billion, five hundred thirty-one million, four hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 71 175 355 497 1775 2485 12425 847601 4238005 5933207 21190025 29666035 60179671 148330175 300898355 421257697 1504491775 2106288485 10531442425