Search a number
-
+
46195846981 is a prime number
BaseRepresentation
bin101011000001011111…
…001010111101000101
311102020110122011201121
4223001133022331011
51224102114100411
633115545153541
73223530135424
oct530137127505
9142213564647
1046195846981
1118656395639
128b52a8b8b1
1344828b01cb
1423433db2bb
151305908571
hexac17caf45

46195846981 has 2 divisors, whose sum is σ = 46195846982. Its totient is φ = 46195846980.

The previous prime is 46195846979. The next prime is 46195846999. The reversal of 46195846981 is 18964859164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45945922500 + 249924481 = 214350^2 + 15809^2 .

It is a cyclic number.

It is not a de Polignac number, because 46195846981 - 21 = 46195846979 is a prime.

It is a super-2 number, since 2×461958469812 (a number of 22 digits) contains 22 as substring.

Together with 46195846979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46195847981) 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, 23097923490 + 23097923491.

It is an arithmetic number, because the mean of its divisors is an integer number (23097923491).

Almost surely, 246195846981 is an apocalyptic number.

It is an amenable number.

46195846981 is a deficient number, since it is larger than the sum of its proper divisors (1).

46195846981 is an equidigital number, since it uses as much as digits as its factorization.

46195846981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 61.

The spelling of 46195846981 in words is "forty-six billion, one hundred ninety-five million, eight hundred forty-six thousand, nine hundred eighty-one".