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49865079193 is a prime number
BaseRepresentation
bin101110011100001100…
…001011100110011001
311202201011221111001221
4232130030023212121
51304110430013233
634524021412041
73413463115426
oct563414134631
9152634844057
1049865079193
111a1695a0056
1297b786a021
134918b20527
1425b084cd4d
15146cae342d
hexb9c30b999

49865079193 has 2 divisors, whose sum is σ = 49865079194. Its totient is φ = 49865079192.

The previous prime is 49865079151. The next prime is 49865079197. The reversal of 49865079193 is 39197056894.

49865079193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49748179849 + 116899344 = 223043^2 + 10812^2 .

It is a cyclic number.

It is not a de Polignac number, because 49865079193 - 225 = 49831524761 is a prime.

It is a super-2 number, since 2×498650791932 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49865079197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24932539596 + 24932539597.

It is an arithmetic number, because the mean of its divisors is an integer number (24932539597).

Almost surely, 249865079193 is an apocalyptic number.

It is an amenable number.

49865079193 is a deficient number, since it is larger than the sum of its proper divisors (1).

49865079193 is an equidigital number, since it uses as much as digits as its factorization.

49865079193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 49865079193 in words is "forty-nine billion, eight hundred sixty-five million, seventy-nine thousand, one hundred ninety-three".