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2142023293 is a prime number
BaseRepresentation
bin111111110101100…
…1010111001111101
312112021121001120001
41333223022321331
513341324221133
6552314554301
7104036616604
oct17753127175
95467531501
102142023293
119aa130893
124b9438991
13281a12607
141646a8a3b
15c80b887d
hex7facae7d

2142023293 has 2 divisors, whose sum is σ = 2142023294. Its totient is φ = 2142023292.

The previous prime is 2142023287. The next prime is 2142023309. The reversal of 2142023293 is 3923202412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120709529 + 1021313764 = 33477^2 + 31958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142023293 - 213 = 2142015101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142023243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071011646 + 1071011647.

It is an arithmetic number, because the mean of its divisors is an integer number (1071011647).

Almost surely, 22142023293 is an apocalyptic number.

It is an amenable number.

2142023293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142023293 is an equidigital number, since it uses as much as digits as its factorization.

2142023293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2142023293 is about 46281.9975044293. The cubic root of 2142023293 is about 1289.0647414410.

The spelling of 2142023293 in words is "two billion, one hundred forty-two million, twenty-three thousand, two hundred ninety-three".