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1011041143 = 7661218509
BaseRepresentation
bin111100010000110…
…100001101110111
32121110110012201021
4330100310031313
54032311304033
6244154042011
734024464550
oct7420641567
92543405637
101011041143
114797851a2
12242719307
131316048c8
14983c3327
155db62b2d
hex3c434377

1011041143 has 8 divisors (see below), whose sum is σ = 1157228960. Its totient is φ = 865291680.

The previous prime is 1011041137. The next prime is 1011041219. The reversal of 1011041143 is 3411401101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1011041143 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 (1011041113) 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, 104628 + ... + 113881.

It is an arithmetic number, because the mean of its divisors is an integer number (144653620).

Almost surely, 21011041143 is an apocalyptic number.

1011041143 is a deficient number, since it is larger than the sum of its proper divisors (146187817).

1011041143 is an equidigital number, since it uses as much as digits as its factorization.

1011041143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219177.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1011041143 is about 31796.8731638820. The cubic root of 1011041143 is about 1003.6669182749. Note that the first 3 decimals are identical.

Adding to 1011041143 its reverse (3411401101), we get a palindrome (4422442244).

The spelling of 1011041143 in words is "one billion, eleven million, forty-one thousand, one hundred forty-three".

Divisors: 1 7 661 4627 218509 1529563 144434449 1011041143