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1140758641 = 11197526423
BaseRepresentation
bin100001111111110…
…1001100001110001
32221111112112200001
41003333221201301
54314013234031
6305110230001
740161200641
oct10377514161
92844475601
101140758641
11535a23940
1227a055301
13152451919
14ab70c521
156a237861
hex43fe9871

1140758641 has 8 divisors (see below), whose sum is σ = 1250783424. Its totient is φ = 1031787120.

The previous prime is 1140758639. The next prime is 1140758659. The reversal of 1140758641 is 1468570411.

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 1140758641 - 21 = 1140758639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140758641.

It is not an unprimeable number, because it can be changed into a prime (1140768641) by changing a digit.

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, 261045 + ... + 265378.

It is an arithmetic number, because the mean of its divisors is an integer number (156347928).

Almost surely, 21140758641 is an apocalyptic number.

1140758641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1140758641 is a deficient number, since it is larger than the sum of its proper divisors (110024783).

1140758641 is a wasteful number, since it uses less digits than its factorization.

1140758641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526631.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1140758641 is about 33775.1186674451. The cubic root of 1140758641 is about 1044.8756034246.

The spelling of 1140758641 in words is "one billion, one hundred forty million, seven hundred fifty-eight thousand, six hundred forty-one".

Divisors: 1 11 197 2167 526423 5790653 103705331 1140758641