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11153071493 = 171129581101
BaseRepresentation
bin10100110001100011…
…00101110110000101
31001210021110201211222
422120301211312011
5140320141241433
65042413010125
7543245354264
oct123061456605
931707421758
1011153071493
114803688763
1221b3183945
1310898605b5
1477b3585db
15454228b98
hex298c65d85

11153071493 has 8 divisors (see below), whose sum is σ = 11819614680. Its totient is φ = 10487692800.

The previous prime is 11153071429. The next prime is 11153071577. The reversal of 11153071493 is 39417035111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72982849 + 11080088644 = 8543^2 + 105262^2 .

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 11153071493 - 26 = 11153071429 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 (11153071403) 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, 271358 + ... + 309743.

It is an arithmetic number, because the mean of its divisors is an integer number (1477451835).

Almost surely, 211153071493 is an apocalyptic number.

It is an amenable number.

11153071493 is a deficient number, since it is larger than the sum of its proper divisors (666543187).

11153071493 is a wasteful number, since it uses less digits than its factorization.

11153071493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582247.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 11153071493 in words is "eleven billion, one hundred fifty-three million, seventy-one thousand, four hundred ninety-three".

Divisors: 1 17 1129 19193 581101 9878717 656063029 11153071493