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11455320245 = 59723619217
BaseRepresentation
bin10101010101100101…
…00101000010110101
31002120100012120012012
422222302211002311
5141430030221440
65132411134005
7553605421055
oct125262450265
932510176165
1011455320245
114949258716
122278444305
131107367b05
147a9555565
15470a2de65
hex2aaca50b5

11455320245 has 8 divisors (see below), whose sum is σ = 13888100184. Its totient is φ = 9069778944.

The previous prime is 11455320241. The next prime is 11455320251. The reversal of 11455320245 is 54202355411.

It can be written as a sum of positive squares in 4 ways, for example, as 2536028881 + 8919291364 = 50359^2 + 94442^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11455320245 - 22 = 11455320241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455320241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11809124 + ... + 11810093.

It is an arithmetic number, because the mean of its divisors is an integer number (1736012523).

Almost surely, 211455320245 is an apocalyptic number.

It is an amenable number.

11455320245 is a deficient number, since it is larger than the sum of its proper divisors (2432779939).

11455320245 is an equidigital number, since it uses as much as digits as its factorization.

11455320245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23619319.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 11455320245 its reverse (54202355411), we get a palindrome (65657675656).

The spelling of 11455320245 in words is "eleven billion, four hundred fifty-five million, three hundred twenty thousand, two hundred forty-five".

Divisors: 1 5 97 485 23619217 118096085 2291064049 11455320245