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10645224001 = 25142411251
BaseRepresentation
bin10011110101000000…
…10011101001000001
31000110212212102001121
421322200103221001
5133300134132001
64520152032241
7524540624326
oct117240235101
930425772047
1010645224001
114572a51395
122091092681
13100858b619
1472db1cb4d
154248606a1
hex27a813a41

10645224001 has 4 divisors (see below), whose sum is σ = 10687635504. Its totient is φ = 10602812500.

The previous prime is 10645223989. The next prime is 10645224011. The reversal of 10645224001 is 10042254601.

It is a happy number.

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: 10042254601 = 31247321383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10645224001 is a prime.

It is a super-2 number, since 2×106452240012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645224011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21205375 + ... + 21205876.

It is an arithmetic number, because the mean of its divisors is an integer number (2671908876).

Almost surely, 210645224001 is an apocalyptic number.

It is an amenable number.

10645224001 is a deficient number, since it is larger than the sum of its proper divisors (42411503).

10645224001 is an equidigital number, since it uses as much as digits as its factorization.

10645224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42411502.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10645224001 its reverse (10042254601), we get a palindrome (20687478602).

The spelling of 10645224001 in words is "ten billion, six hundred forty-five million, two hundred twenty-four thousand, one".

Divisors: 1 251 42411251 10645224001