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11381123285 = 57325174951
BaseRepresentation
bin10101001100101111…
…00010100011010101
31002101011120222002122
422212113202203111
5141302031421120
65121200545325
7552014644310
oct124627424325
932334528078
1011381123285
114910390414
122257622245
1310c4b89b9c
1479d75d977
15469274a25
hex2a65e28d5

11381123285 has 8 divisors (see below), whose sum is σ = 15608397696. Its totient is φ = 7804198800.

The previous prime is 11381123269. The next prime is 11381123321. The reversal of 11381123285 is 58232118311.

11381123285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11381123285 - 24 = 11381123269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 325174951 = 11381123285 / (1 + 1 + 3 + 8 + 1 + 1 + 2 + 3 + 2 + 8 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162587441 + ... + 162587510.

It is an arithmetic number, because the mean of its divisors is an integer number (1951049712).

Almost surely, 211381123285 is an apocalyptic number.

It is an amenable number.

11381123285 is a deficient number, since it is larger than the sum of its proper divisors (4227274411).

11381123285 is an equidigital number, since it uses as much as digits as its factorization.

11381123285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325174963.

The product of its digits is 11520, while the sum is 35.

The spelling of 11381123285 in words is "eleven billion, three hundred eighty-one million, one hundred twenty-three thousand, two hundred eighty-five".

Divisors: 1 5 7 35 325174951 1625874755 2276224657 11381123285