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10245204251 = 38512660401
BaseRepresentation
bin10011000101010100…
…10110100100011011
3222110000011022010022
421202222112210123
5131440233014001
64412342141055
7511612541102
oct114252264433
928400138108
1010245204251
114388172657
121b9b12178b
13c73741049
146d2951039
153ee69611b
hex262a9691b

10245204251 has 4 divisors (see below), whose sum is σ = 10247868504. Its totient is φ = 10242540000.

The previous prime is 10245204227. The next prime is 10245204253. The reversal of 10245204251 is 15240254201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15240254201 = 121091258589.

It is a cyclic number.

It is not a de Polignac number, because 10245204251 - 214 = 10245187867 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 10245204251.

It is not an unprimeable number, because it can be changed into a prime (10245204253) 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, 1326350 + ... + 1334051.

It is an arithmetic number, because the mean of its divisors is an integer number (2561967126).

Almost surely, 210245204251 is an apocalyptic number.

10245204251 is a deficient number, since it is larger than the sum of its proper divisors (2664253).

10245204251 is an equidigital number, since it uses as much as digits as its factorization.

10245204251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664252.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 10245204251 its reverse (15240254201), we get a palindrome (25485458452).

The spelling of 10245204251 in words is "ten billion, two hundred forty-five million, two hundred four thousand, two hundred fifty-one".

Divisors: 1 3851 2660401 10245204251