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2025742019 = 71960125343
BaseRepresentation
bin111100010111110…
…0101111011000011
312020011210100122012
41320233211323003
513122042221034
6533002403135
7101125344260
oct17057457303
95204710565
102025742019
1194a529a64
124865004ab
132638bb222
1415307a267
15bcc99cce
hex78be5ec3

2025742019 has 16 divisors (see below), whose sum is σ = 2441134080. Its totient is φ = 1642161600.

The previous prime is 2025742013. The next prime is 2025742039. The reversal of 2025742019 is 9102475202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2025742019 is a prime.

It is a super-2 number, since 2×20257420192 = 8207261455084392722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2025742013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67262 + ... + 92604.

It is an arithmetic number, because the mean of its divisors is an integer number (152570880).

Almost surely, 22025742019 is an apocalyptic number.

2025742019 is a deficient number, since it is larger than the sum of its proper divisors (415392061).

2025742019 is a wasteful number, since it uses less digits than its factorization.

2025742019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25970.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2025742019 is about 45008.2439004234. The cubic root of 2025742019 is about 1265.3035082331.

The spelling of 2025742019 in words is "two billion, twenty-five million, seven hundred forty-two thousand, nineteen".

Divisors: 1 7 19 133 601 4207 11419 25343 79933 177401 481517 3370619 15231143 106618001 289391717 2025742019