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2042442145 = 51928517541
BaseRepresentation
bin111100110111101…
…0011000110100001
312021100012210220101
41321233103012201
513140331122040
6534400342401
7101420320552
oct17157230641
95240183811
102042442145
119589a6017
12490014a01
132671b7663
14155386329
15be49809a
hex79bd31a1

2042442145 has 16 divisors (see below), whose sum is σ = 2581174080. Its totient is φ = 1547208000.

The previous prime is 2042442133. The next prime is 2042442163. The reversal of 2042442145 is 5412442402.

It is not a de Polignac number, because 2042442145 - 211 = 2042440097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267075 + ... + 274615.

It is an arithmetic number, because the mean of its divisors is an integer number (161323380).

Almost surely, 22042442145 is an apocalyptic number.

It is an amenable number.

2042442145 is a deficient number, since it is larger than the sum of its proper divisors (538731935).

2042442145 is a wasteful number, since it uses less digits than its factorization.

2042442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 2042442145 is about 45193.3860758408. The cubic root of 2042442145 is about 1268.7710319663.

Adding to 2042442145 its reverse (5412442402), we get a palindrome (7454884547).

The spelling of 2042442145 in words is "two billion, forty-two million, four hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 19 95 2851 7541 14255 37705 54169 143279 270845 716395 21499391 107496955 408488429 2042442145