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1013111143 = 11293175897
BaseRepresentation
bin111100011000101…
…101100101100111
32121121100101012221
4330120231211213
54033324024033
6244310253211
734051205542
oct7430554547
92547311187
101013111143
1147a969440
12243357207
13131b7ab65
14987a1859
155de2112d
hex3c62d967

1013111143 has 8 divisors (see below), whose sum is σ = 1143323280. Its totient is φ = 889250880.

The previous prime is 1013111129. The next prime is 1013111167. The reversal of 1013111143 is 3411113101.

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 1013111143 - 25 = 1013111111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013111123) 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, 1587630 + ... + 1588267.

It is an arithmetic number, because the mean of its divisors is an integer number (142915410).

Almost surely, 21013111143 is an apocalyptic number.

1013111143 is a deficient number, since it is larger than the sum of its proper divisors (130212137).

1013111143 is a wasteful number, since it uses less digits than its factorization.

1013111143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175937.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1013111143 is about 31829.4068904842. The cubic root of 1013111143 is about 1004.3514186909.

Adding to 1013111143 its reverse (3411113101), we get a palindrome (4424224244).

The spelling of 1013111143 in words is "one billion, thirteen million, one hundred eleven thousand, one hundred forty-three".

Divisors: 1 11 29 319 3175897 34934867 92101013 1013111143