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990212210041 is a prime number
BaseRepresentation
bin11100110100011010011…
…11110011110101111001
310111122220120222011210211
432122031033303311321
5112210423311210131
62034521444111121
7131353244624155
oct16321517636571
93448816864724
10990212210041
11351a45a8348a
1213bab00954a1
13724b854c152
1435cd8564065
151ab573255b1
hexe68d3f3d79

990212210041 has 2 divisors, whose sum is σ = 990212210042. Its totient is φ = 990212210040.

The previous prime is 990212209999. The next prime is 990212210051. The reversal of 990212210041 is 140012212099.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980337614400 + 9874595641 = 990120^2 + 99371^2 .

It is a cyclic number.

It is not a de Polignac number, because 990212210041 - 27 = 990212209913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 990212209985 and 990212210012.

It is not a weakly prime, because it can be changed into another prime (990212210051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495106105020 + 495106105021.

It is an arithmetic number, because the mean of its divisors is an integer number (495106105021).

Almost surely, 2990212210041 is an apocalyptic number.

It is an amenable number.

990212210041 is a deficient number, since it is larger than the sum of its proper divisors (1).

990212210041 is an equidigital number, since it uses as much as digits as its factorization.

990212210041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 990212210041 in words is "nine hundred ninety billion, two hundred twelve million, two hundred ten thousand, forty-one".