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1042443311 = 71329339097
BaseRepresentation
bin111110001000100…
…110110000101111
32200122112121101112
4332020212300233
54113331141221
6251235102235
734555423220
oct7610466057
92618477345
101042443311
114954830a8
1225114197b
13137c7ab80
149c639247
15617b715b
hex3e226c2f

1042443311 has 16 divisors (see below), whose sum is σ = 1287418944. Its totient is φ = 821954304.

The previous prime is 1042443307. The next prime is 1042443317. The reversal of 1042443311 is 1133442401.

It is a cyclic number.

It is not a de Polignac number, because 1042443311 - 22 = 1042443307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042443317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7115 + ... + 46211.

It is an arithmetic number, because the mean of its divisors is an integer number (80463684).

Almost surely, 21042443311 is an apocalyptic number.

1042443311 is a deficient number, since it is larger than the sum of its proper divisors (244975633).

1042443311 is a wasteful number, since it uses less digits than its factorization.

1042443311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39410.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1042443311 is about 32286.8906988579. The cubic root of 1042443311 is about 1013.9522010881.

Adding to 1042443311 its reverse (1133442401), we get a palindrome (2175885712).

It can be divided in two parts, 10424 and 43311, that added together give a palindrome (53735).

The spelling of 1042443311 in words is "one billion, forty-two million, four hundred forty-three thousand, three hundred eleven".

Divisors: 1 7 13 91 293 2051 3809 26663 39097 273679 508261 3557827 11455421 80187947 148920473 1042443311