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2421142031 = 71180938867
BaseRepresentation
bin1001000001001111…
…1011001000001111
320020201210202111002
42100103323020033
514424303021111
61040125250515
7113666240060
oct22023731017
96221722432
102421142031
111032742930
12576a03a3b
132c77abb29
1418d7a4567
15e285063b
hex904fb20f

2421142031 has 16 divisors (see below), whose sum is σ = 3022375680. Its totient is φ = 1884223680.

The previous prime is 2421142001. The next prime is 2421142079. The reversal of 2421142031 is 1302411242.

It is a cyclic number.

It is not a de Polignac number, because 2421142031 - 26 = 2421141967 is a prime.

It is a super-2 number, since 2×24211420312 = 11723857468549609922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421141994 and 2421142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421142001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42860 + ... + 81726.

It is an arithmetic number, because the mean of its divisors is an integer number (188898480).

Almost surely, 22421142031 is an apocalyptic number.

2421142031 is a deficient number, since it is larger than the sum of its proper divisors (601233649).

2421142031 is a wasteful number, since it uses less digits than its factorization.

2421142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39694.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2421142031 is about 49205.1016765538. The cubic root of 2421142031 is about 1342.7858488056.

Adding to 2421142031 its reverse (1302411242), we get a palindrome (3723553273).

The spelling of 2421142031 in words is "two billion, four hundred twenty-one million, one hundred forty-two thousand, thirty-one".

Divisors: 1 7 11 77 809 5663 8899 38867 62293 272069 427537 2992759 31443403 220103821 345877433 2421142031