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1051140311 = 13178395669
BaseRepresentation
bin111110101001110…
…010000011010111
32201020220110102122
4332221302003113
54123042442221
6252145330155
735022355004
oct7651620327
92636813378
101051140311
1149a383301
1225403695b
13139a04620
149d8608ab
1562433eab
hex3ea720d7

1051140311 has 16 divisors (see below), whose sum is σ = 1200225600. Its totient is φ = 911958528.

The previous prime is 1051140269. The next prime is 1051140323. The reversal of 1051140311 is 1130411501.

It is not a de Polignac number, because 1051140311 - 222 = 1046946007 is a prime.

It is a super-2 number, since 2×10511403112 = 2209791906818353442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051140311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051140331) 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 15 ways as a sum of consecutive naturals, for example, 182585 + ... + 188253.

It is an arithmetic number, because the mean of its divisors is an integer number (75014100).

Almost surely, 21051140311 is an apocalyptic number.

1051140311 is a deficient number, since it is larger than the sum of its proper divisors (149085289).

1051140311 is a wasteful number, since it uses less digits than its factorization.

1051140311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1051140311 is about 32421.2940981695. The cubic root of 1051140311 is about 1016.7641627304.

Adding to 1051140311 its reverse (1130411501), we get a palindrome (2181551812).

The spelling of 1051140311 in words is "one billion, fifty-one million, one hundred forty thousand, three hundred eleven".

Divisors: 1 13 17 221 839 5669 10907 14263 73697 96373 185419 1252849 4756291 61831783 80856947 1051140311