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2245315553 = 13172716581
BaseRepresentation
bin1000010111010100…
…1100101111100001
312210110221211220022
42011311030233201
514044300044203
61010444523225
7106432603325
oct20565145741
95713854808
102245315553
11a52470898
12527b50515
1329a2397b0
141742b5985
15d21bda38
hex85d4cbe1

2245315553 has 4 divisors (see below), whose sum is σ = 2418032148. Its totient is φ = 2072598960.

The previous prime is 2245315543. The next prime is 2245315559. The reversal of 2245315553 is 3555135422.

2245315553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3555135422 = 21777567711.

It can be written as a sum of positive squares in 2 ways, for example, as 1485100369 + 760215184 = 38537^2 + 27572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245315553 - 220 = 2244266977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245315559) 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, 86358278 + ... + 86358303.

It is an arithmetic number, because the mean of its divisors is an integer number (604508037).

Almost surely, 22245315553 is an apocalyptic number.

It is an amenable number.

2245315553 is a deficient number, since it is larger than the sum of its proper divisors (172716595).

2245315553 is a wasteful number, since it uses less digits than its factorization.

2245315553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172716594.

The product of its digits is 90000, while the sum is 35.

The square root of 2245315553 is about 47384.7607675717. The cubic root of 2245315553 is about 1309.4606782911.

The spelling of 2245315553 in words is "two billion, two hundred forty-five million, three hundred fifteen thousand, five hundred fifty-three".

Divisors: 1 13 172716581 2245315553