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49855894159 is a prime number
BaseRepresentation
bin101110011011101001…
…001001001010001111
311202200112122211120111
4232123221021022033
51304101102103114
634523052500451
73413322052051
oct563351111217
9152615584514
1049855894159
111a164397215
1297b477a727
134916c558b6
1425ad53b8d1
15146bdcbbc4
hexb9ba4928f

49855894159 has 2 divisors, whose sum is σ = 49855894160. Its totient is φ = 49855894158.

The previous prime is 49855894147. The next prime is 49855894183. The reversal of 49855894159 is 95149855894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49855894159 - 223 = 49847505551 is a prime.

It is a super-2 number, since 2×498558941592 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49855894094 and 49855894103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49855894859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24927947079 + 24927947080.

It is an arithmetic number, because the mean of its divisors is an integer number (24927947080).

Almost surely, 249855894159 is an apocalyptic number.

49855894159 is a deficient number, since it is larger than the sum of its proper divisors (1).

49855894159 is an equidigital number, since it uses as much as digits as its factorization.

49855894159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312000, while the sum is 67.

The spelling of 49855894159 in words is "forty-nine billion, eight hundred fifty-five million, eight hundred ninety-four thousand, one hundred fifty-nine".