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1214001913 is a prime number
BaseRepresentation
bin100100001011100…
…0011001011111001
310010121100200112211
41020113003023321
54441241030123
6320244135121
742040563115
oct11027031371
93117320484
101214001913
115732aa673
1229a6974a1
13164687737
14b7336745
15718a440d
hex485c32f9

1214001913 has 2 divisors, whose sum is σ = 1214001914. Its totient is φ = 1214001912.

The previous prime is 1214001889. The next prime is 1214001917. The reversal of 1214001913 is 3191004121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917060089 + 296941824 = 30283^2 + 17232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214001913 - 229 = 677131001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214001917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607000956 + 607000957.

It is an arithmetic number, because the mean of its divisors is an integer number (607000957).

Almost surely, 21214001913 is an apocalyptic number.

It is an amenable number.

1214001913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214001913 is an equidigital number, since it uses as much as digits as its factorization.

1214001913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1214001913 is about 34842.5302324616. The cubic root of 1214001913 is about 1066.7757229100.

The spelling of 1214001913 in words is "one billion, two hundred fourteen million, one thousand, nine hundred thirteen".