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1431065130 = 2351119722013
BaseRepresentation
bin101010101001100…
…0101001000101010
310200201210122022020
41111103011020222
510412323041010
6354000405310
750314565355
oct12523051052
93621718266
101431065130
11674887460
1233b316836
1319a637501
14d80bb29c
158597e470
hex554c522a

1431065130 has 64 divisors (see below), whose sum is σ = 3765979008. Its totient is φ = 345148160.

The previous prime is 1431065113. The next prime is 1431065131. The reversal of 1431065130 is 315601341.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431065130.

It is not an unprimeable number, because it can be changed into a prime (1431065131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54004 + ... + 76016.

It is an arithmetic number, because the mean of its divisors is an integer number (58843422).

Almost surely, 21431065130 is an apocalyptic number.

1431065130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431065130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882989504).

1431065130 is an abundant number, since it is smaller than the sum of its proper divisors (2334913878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431065130 is a wasteful number, since it uses less digits than its factorization.

1431065130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22231.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1431065130 is about 37829.4214864568. The cubic root of 1431065130 is about 1126.9028222258.

Adding to 1431065130 its reverse (315601341), we get a palindrome (1746666471).

The spelling of 1431065130 in words is "one billion, four hundred thirty-one million, sixty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 197 330 394 591 985 1182 1970 2167 2955 4334 5910 6501 10835 13002 21670 22013 32505 44026 65010 66039 110065 132078 220130 242143 330195 484286 660390 726429 1210715 1452858 2421430 3632145 4336561 7264290 8673122 13009683 21682805 26019366 43365610 47702171 65048415 95404342 130096830 143106513 238510855 286213026 477021710 715532565 1431065130