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11288152945 = 52257630589
BaseRepresentation
bin10101000001101001…
…11000101101110001
31002010200122120202201
422200310320231301
5141104231343240
65104040143201
7546505500616
oct124064705561
932120576681
1011288152945
114872960423
122230467b01
1310ab837c54
1479127c50d
1546100cd9a
hex2a0d38b71

11288152945 has 4 divisors (see below), whose sum is σ = 13545783540. Its totient is φ = 9030522352.

The previous prime is 11288152933. The next prime is 11288152973. The reversal of 11288152945 is 54925188211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54925188211 = 148936887299.

It can be written as a sum of positive squares in 2 ways, for example, as 6132769344 + 5155383601 = 78312^2 + 71801^2 .

It is a cyclic number.

It is not a de Polignac number, because 11288152945 - 25 = 11288152913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11288152895 and 11288152904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128815290 + ... + 1128815299.

It is an arithmetic number, because the mean of its divisors is an integer number (3386445885).

Almost surely, 211288152945 is an apocalyptic number.

It is an amenable number.

11288152945 is a deficient number, since it is larger than the sum of its proper divisors (2257630595).

11288152945 is an equidigital number, since it uses as much as digits as its factorization.

11288152945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257630594.

The product of its digits is 230400, while the sum is 46.

It can be divided in two parts, 1128815 and 2945, that added together give a triangular number (1131760 = T1504).

The spelling of 11288152945 in words is "eleven billion, two hundred eighty-eight million, one hundred fifty-two thousand, nine hundred forty-five".

Divisors: 1 5 2257630589 11288152945