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2042699407 = 7241687743
BaseRepresentation
bin111100111000001…
…0001111010001111
312021100200212210121
41321300101322033
513140412340112
6534410045411
7101422441600
oct17160217217
95240625717
102042699407
11959061331
12490119867
13267277798
14155411da7
15be4e9407
hex79c11e8f

2042699407 has 6 divisors (see below), whose sum is σ = 2376201408. Its totient is φ = 1750885164.

The previous prime is 2042699389. The next prime is 2042699453. The reversal of 2042699407 is 7049962402.

It is a de Polignac number, because none of the positive numbers 2k-2042699407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042699467) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20843823 + ... + 20843920.

It is an arithmetic number, because the mean of its divisors is an integer number (396033568).

Almost surely, 22042699407 is an apocalyptic number.

2042699407 is a deficient number, since it is larger than the sum of its proper divisors (333502001).

2042699407 is an equidigital number, since it uses as much as digits as its factorization.

2042699407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41687757 (or 41687750 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2042699407 is about 45196.2322212815. The cubic root of 2042699407 is about 1268.8243003654.

The spelling of 2042699407 in words is "two billion, forty-two million, six hundred ninety-nine thousand, four hundred seven".

Divisors: 1 7 49 41687743 291814201 2042699407