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1431110142 = 2327116116927
BaseRepresentation
bin101010101001101…
…0000000111111110
310200201212221001100
41111103100013332
510412331011032
6354001353530
750315143530
oct12523200776
93621787040
101431110142
11674908260
1233b3388a6
1319a651b47
14d80cd850
158598c97c
hex554d01fe

1431110142 has 96 divisors (see below), whose sum is σ = 3929462784. Its totient is φ = 365601600.

The previous prime is 1431110141. The next prime is 1431110143. The reversal of 1431110142 is 2410111341.

It is an interprime number because it is at equal distance from previous prime (1431110141) and next prime (1431110143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431110141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76083 + ... + 93009.

It is an arithmetic number, because the mean of its divisors is an integer number (40931904).

Almost surely, 21431110142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431110142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964731392).

1431110142 is an abundant number, since it is smaller than the sum of its proper divisors (2498352642).

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

1431110142 is a wasteful number, since it uses less digits than its factorization.

1431110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17014 (or 17011 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1431110142 is about 37830.0164155397. The cubic root of 1431110142 is about 1126.9146371127.

Adding to 1431110142 its reverse (2410111341), we get a palindrome (3841221483).

The spelling of 1431110142 in words is "one billion, four hundred thirty-one million, one hundred ten thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 61 63 66 77 99 122 126 154 183 198 231 366 427 462 549 671 693 854 1098 1281 1342 1386 2013 2562 3843 4026 4697 6039 7686 9394 12078 14091 16927 28182 33854 42273 50781 84546 101562 118489 152343 186197 236978 304686 355467 372394 558591 710934 1032547 1066401 1117182 1303379 1675773 2065094 2132802 2606758 3097641 3351546 3910137 6195282 7227829 7820274 9292923 11358017 11730411 14455658 18585846 21683487 22716034 23460822 34074051 43366974 65050461 68148102 79506119 102222153 130100922 159012238 204444306 238518357 477036714 715555071 1431110142