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1970471117 is a prime number
BaseRepresentation
bin111010101110011…
…0000000011001101
312002022210022012202
41311130300003031
513013420033432
6523310011245
766554504516
oct16534600315
95068708182
101970471117
1192130912a
1246baa6b25
13255308954
141499ada0d
15b7ecd462
hex757300cd

1970471117 has 2 divisors, whose sum is σ = 1970471118. Its totient is φ = 1970471116.

The previous prime is 1970471021. The next prime is 1970471123. The reversal of 1970471117 is 7111740791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102638436 + 867832681 = 33206^2 + 29459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970471117 - 218 = 1970208973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970471017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985235558 + 985235559.

It is an arithmetic number, because the mean of its divisors is an integer number (985235559).

Almost surely, 21970471117 is an apocalyptic number.

It is an amenable number.

1970471117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970471117 is an equidigital number, since it uses as much as digits as its factorization.

1970471117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 38.

The square root of 1970471117 is about 44389.9889276850. The cubic root of 1970471117 is about 1253.6896037045.

The spelling of 1970471117 in words is "one billion, nine hundred seventy million, four hundred seventy-one thousand, one hundred seventeen".