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10520012153 = 71502858879
BaseRepresentation
bin10011100110000101…
…01010010101111001
31000011011020222200202
421303002222111321
5133021110342103
64455520211545
7521460425240
oct116302522571
930134228622
1010520012153
1145092aa922
122057169bb5
13cb865b381
1471b247957
1541887a988
hex2730aa579

10520012153 has 4 divisors (see below), whose sum is σ = 12022871040. Its totient is φ = 9017153268.

The previous prime is 10520012147. The next prime is 10520012203. The reversal of 10520012153 is 35121002501.

It is a happy number.

10520012153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35121002501 = 132701615577.

It is a cyclic number.

It is not a de Polignac number, because 10520012153 - 214 = 10519995769 is a prime.

It is a super-2 number, since 2×105200121532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10520012123) 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 3 ways as a sum of consecutive naturals, for example, 751429433 + ... + 751429446.

It is an arithmetic number, because the mean of its divisors is an integer number (3005717760).

Almost surely, 210520012153 is an apocalyptic number.

It is an amenable number.

10520012153 is a deficient number, since it is larger than the sum of its proper divisors (1502858887).

10520012153 is an equidigital number, since it uses as much as digits as its factorization.

10520012153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502858886.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 10520012153 its reverse (35121002501), we get a palindrome (45641014654).

The spelling of 10520012153 in words is "ten billion, five hundred twenty million, twelve thousand, one hundred fifty-three".

Divisors: 1 7 1502858879 10520012153