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2026730149 is a prime number
BaseRepresentation
bin111100011001101…
…0111001010100101
312020020122120002121
41320303113022211
513122320331044
6533035505541
7101136631153
oct17063271245
95206576077
102026730149
119500443a4
124868b82b1
13263b75c12
141532563d3
15bcde2984
hex78cd72a5

2026730149 has 2 divisors, whose sum is σ = 2026730150. Its totient is φ = 2026730148.

The previous prime is 2026730143. The next prime is 2026730177. The reversal of 2026730149 is 9410376202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1833381124 + 193349025 = 42818^2 + 13905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026730149 - 23 = 2026730141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2026730141) 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 as a sum of consecutive naturals, namely, 1013365074 + 1013365075.

It is an arithmetic number, because the mean of its divisors is an integer number (1013365075).

Almost surely, 22026730149 is an apocalyptic number.

It is an amenable number.

2026730149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026730149 is an equidigital number, since it uses as much as digits as its factorization.

2026730149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2026730149 is about 45019.2197733368. The cubic root of 2026730149 is about 1265.5092075289.

The spelling of 2026730149 in words is "two billion, twenty-six million, seven hundred thirty thousand, one hundred forty-nine".