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2026107305 = 5652162141
BaseRepresentation
bin111100011000011…
…1111000110101001
312020012110220201022
41320300333012221
513122140413210
6533014302225
7101131425245
oct17060770651
95205426638
102026107305
1194a759452
12486657975
132639b8581
14153133425
15bcd1d155
hex78c3f1a9

2026107305 has 8 divisors (see below), whose sum is σ = 2431740744. Its totient is φ = 1620611200.

The previous prime is 2026107299. The next prime is 2026107323. The reversal of 2026107305 is 5037016202.

It can be written as a sum of positive squares in 4 ways, for example, as 1012066969 + 1014040336 = 31813^2 + 31844^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2026107305 - 222 = 2021913001 is a prime.

It is a super-2 number, since 2×20261073052 = 8210221622748726050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 63675.

It is an arithmetic number, because the mean of its divisors is an integer number (303967593).

Almost surely, 22026107305 is an apocalyptic number.

It is an amenable number.

2026107305 is a deficient number, since it is larger than the sum of its proper divisors (405633439).

2026107305 is an equidigital number, since it uses as much as digits as its factorization.

2026107305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68667.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2026107305 is about 45012.3017074222. The cubic root of 2026107305 is about 1265.3795577127.

The spelling of 2026107305 in words is "two billion, twenty-six million, one hundred seven thousand, three hundred five".

Divisors: 1 5 6521 32605 62141 310705 405221461 2026107305