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70945017061 is a prime number
BaseRepresentation
bin100001000010010100…
…1110000110011100101
320210010021120021120111
41002010221300303211
52130243411021221
652331445533021
75061040460302
oct1020451606345
9223107507514
1070945017061
11280a6681406
12118bb414171
1368c8173349
1436103300a9
151ca3580be1
hex1084a70ce5

70945017061 has 2 divisors, whose sum is σ = 70945017062. Its totient is φ = 70945017060.

The previous prime is 70945017037. The next prime is 70945017079. The reversal of 70945017061 is 16071054907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41323164961 + 29621852100 = 203281^2 + 172110^2 .

It is a cyclic number.

It is not a de Polignac number, because 70945017061 - 215 = 70944984293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70945017161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35472508530 + 35472508531.

It is an arithmetic number, because the mean of its divisors is an integer number (35472508531).

Almost surely, 270945017061 is an apocalyptic number.

It is an amenable number.

70945017061 is a deficient number, since it is larger than the sum of its proper divisors (1).

70945017061 is an equidigital number, since it uses as much as digits as its factorization.

70945017061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 70945017061 in words is "seventy billion, nine hundred forty-five million, seventeen thousand, sixty-one".