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1442142312031 = 191075871208461
BaseRepresentation
bin10100111111000110011…
…000010101011001011111
312002212102101012001121101
4110333012120111121133
5142112001412441111
63022302214413531
7206122426252351
oct24770630253137
95085371161541
101442142312031
11506677814043
121b35b66612a7
13a5cbb770295
144db2b5190d1
15277a7c6abc1
hex14fc661565f

1442142312031 has 16 divisors (see below), whose sum is σ = 1534843416960. Its totient is φ = 1351164624480.

The previous prime is 1442142311983. The next prime is 1442142312041. The reversal of 1442142312031 is 1302132412441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1442142312031 - 213 = 1442142303839 is a prime.

It is a super-2 number, since 2×14421423120312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442142312041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589141 + ... + 1797601.

It is an arithmetic number, because the mean of its divisors is an integer number (95927713560).

Almost surely, 21442142312031 is an apocalyptic number.

1442142312031 is a deficient number, since it is larger than the sum of its proper divisors (92701104929).

1442142312031 is a wasteful number, since it uses less digits than its factorization.

1442142312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209174.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1442142312031 its reverse (1302132412441), we get a palindrome (2744274724472).

The spelling of 1442142312031 in words is "one trillion, four hundred forty-two billion, one hundred forty-two million, three hundred twelve thousand, thirty-one".

Divisors: 1 19 107 587 2033 11153 62809 1193371 1208461 22960759 129305327 709366607 2456801213 13477965533 75902226949 1442142312031