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10512231322 = 25256115661
BaseRepresentation
bin10011100101001001…
…11110101110011010
31000010121121200101211
421302210332232122
5133012112400242
64455041333334
7521334330505
oct116244765632
930117550354
1010512231322
114504975a8a
12205463724a
13cb6b65928
1471a1c013c
15417d40317
hex27293eb9a

10512231322 has 4 divisors (see below), whose sum is σ = 15768346986. Its totient is φ = 5256115660.

The previous prime is 10512231319. The next prime is 10512231329. The reversal of 10512231322 is 22313221501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8212165641 + 2300065681 = 90621^2 + 47959^2 .

It is a super-2 number, since 2×105122313222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10512231293 and 10512231302.

It is not an unprimeable number, because it can be changed into a prime (10512231329) 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 as a sum of consecutive naturals, namely, 2628057829 + ... + 2628057832.

Almost surely, 210512231322 is an apocalyptic number.

10512231322 is a deficient number, since it is larger than the sum of its proper divisors (5256115664).

10512231322 is an equidigital number, since it uses as much as digits as its factorization.

10512231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256115663.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10512231322 its reverse (22313221501), we get a palindrome (32825452823).

The spelling of 10512231322 in words is "ten billion, five hundred twelve million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 5256115661 10512231322