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2142355429 is a prime number
BaseRepresentation
bin111111110110001…
…1011111111100101
312112022012221011101
41333230123333211
513341420333204
6552330040101
7104042502124
oct17754337745
95468187141
102142355429
119aa338385
124b9579031
13281aca846
14164753abb
15c8131ea4
hex7fb1bfe5

2142355429 has 2 divisors, whose sum is σ = 2142355430. Its totient is φ = 2142355428.

The previous prime is 2142355387. The next prime is 2142355451. The reversal of 2142355429 is 9245532412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2029953025 + 112402404 = 45055^2 + 10602^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142355429 - 27 = 2142355301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142355489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071177714 + 1071177715.

It is an arithmetic number, because the mean of its divisors is an integer number (1071177715).

Almost surely, 22142355429 is an apocalyptic number.

It is an amenable number.

2142355429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142355429 is an equidigital number, since it uses as much as digits as its factorization.

2142355429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 2142355429 is about 46285.5855423695. The cubic root of 2142355429 is about 1289.1313642272.

The spelling of 2142355429 in words is "two billion, one hundred forty-two million, three hundred fifty-five thousand, four hundred twenty-nine".