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10121653 = 82712239
BaseRepresentation
bin100110100111…
…000110110101
3201001020022001
4212213012311
510042343103
61000535301
7152014123
oct46470665
921036261
1010121653
115793603
123481531
132135059
1414b6913
15d4e01d
hex9a71b5

10121653 has 4 divisors (see below), whose sum is σ = 10134720. Its totient is φ = 10108588.

The previous prime is 10121651. The next prime is 10121677. The reversal of 10121653 is 35612101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10121653 - 21 = 10121651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5293 + ... + 6946.

It is an arithmetic number, because the mean of its divisors is an integer number (2533680).

Almost surely, 210121653 is an apocalyptic number.

It is an amenable number.

10121653 is a deficient number, since it is larger than the sum of its proper divisors (13067).

10121653 is an equidigital number, since it uses as much as digits as its factorization.

10121653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10121653 is about 3181.4545415580. The cubic root of 10121653 is about 216.3135948483.

Adding to 10121653 its reverse (35612101), we get a palindrome (45733754).

The spelling of 10121653 in words is "ten million, one hundred twenty-one thousand, six hundred fifty-three".

Divisors: 1 827 12239 10121653