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10025300221 = 45403220807
BaseRepresentation
bin10010101011000110…
…11111000011111101
3221212200101000111121
421111203133003331
5131012434101341
64334444550541
7503302434346
oct112543370375
927780330447
1010025300221
114285025492
121b39552451
13c3a008211
146b166b0cd
153da2094d1
hex2558df0fd

10025300221 has 4 divisors (see below), whose sum is σ = 10025566432. Its totient is φ = 10025034012.

The previous prime is 10025300213. The next prime is 10025300269. The reversal of 10025300221 is 12200352001.

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 10025300221 - 23 = 10025300213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10025300195 and 10025300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10025300281) 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, 65001 + ... + 155806.

It is an arithmetic number, because the mean of its divisors is an integer number (2506391608).

Almost surely, 210025300221 is an apocalyptic number.

It is an amenable number.

10025300221 is a deficient number, since it is larger than the sum of its proper divisors (266211).

10025300221 is an equidigital number, since it uses as much as digits as its factorization.

10025300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266210.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 10025300221 its reverse (12200352001), we get a palindrome (22225652222).

The spelling of 10025300221 in words is "ten billion, twenty-five million, three hundred thousand, two hundred twenty-one".

Divisors: 1 45403 220807 10025300221