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1420131142 = 217311518923
BaseRepresentation
bin101010010100101…
…0111101101000110
310122222020010200201
41110221113231012
510402023144032
6352530201114
750122626013
oct12451275506
93588203621
101420131142
11669699601
1233772319a
131982a97b1
14d687270a
1584a1e8e7
hex54a57b46

1420131142 has 32 divisors (see below), whose sum is σ = 2343942144. Its totient is φ = 642384000.

The previous prime is 1420131133. The next prime is 1420131157. The reversal of 1420131142 is 2411310241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154693 + ... + 163615.

It is an arithmetic number, because the mean of its divisors is an integer number (73248192).

Almost surely, 21420131142 is an apocalyptic number.

1420131142 is a deficient number, since it is larger than the sum of its proper divisors (923811002).

1420131142 is a wasteful number, since it uses less digits than its factorization.

1420131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1420131142 is about 37684.6273963270. The cubic root of 1420131142 is about 1124.0254650538.

Adding to 1420131142 its reverse (2411310241), we get a palindrome (3831441383).

The spelling of 1420131142 in words is "one billion, four hundred twenty million, one hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 17 31 34 62 151 302 527 1054 2567 4681 5134 8923 9362 17846 79577 151691 159154 276613 303382 553226 1347373 2694746 4702421 9404842 22905341 41768563 45810682 83537126 710065571 1420131142