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2216970923 is a prime number
BaseRepresentation
bin1000010000100100…
…0100101010101011
312201111121210101012
42010021010222223
514020021032143
61003553214135
7105636641036
oct20411045253
95644553335
102216970923
11a38471082
1251a56134b
132943c411b
1417061801d
15ce970418
hex84244aab

2216970923 has 2 divisors, whose sum is σ = 2216970924. Its totient is φ = 2216970922.

The previous prime is 2216970911. The next prime is 2216970937. The reversal of 2216970923 is 3290796122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2216970923 - 214 = 2216954539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2216973923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108485461 + 1108485462.

It is an arithmetic number, because the mean of its divisors is an integer number (1108485462).

Almost surely, 22216970923 is an apocalyptic number.

2216970923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216970923 is an equidigital number, since it uses as much as digits as its factorization.

2216970923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2216970923 is about 47084.7206957841. The cubic root of 2216970923 is about 1303.9271625779.

The spelling of 2216970923 in words is "two billion, two hundred sixteen million, nine hundred seventy thousand, nine hundred twenty-three".