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46401659881 is a prime number
BaseRepresentation
bin101011001101110000…
…010010001111101001
311102202210220112221121
4223031300102033221
51230012311104011
633152220335241
73231606413143
oct531560221751
9142683815847
1046401659881
1118751588945
128bab9a4521
1344b64212a5
142362893c93
151318a0ee71
hexacdc123e9

46401659881 has 2 divisors, whose sum is σ = 46401659882. Its totient is φ = 46401659880.

The previous prime is 46401659831. The next prime is 46401659891. The reversal of 46401659881 is 18895610464.

46401659881 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., 43562368656 + 2839291225 = 208716^2 + 53285^2 .

It is a cyclic number.

It is not a de Polignac number, because 46401659881 - 211 = 46401657833 is a prime.

It is a super-2 number, since 2×464016598812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46401659831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23200829940 + 23200829941.

It is an arithmetic number, because the mean of its divisors is an integer number (23200829941).

Almost surely, 246401659881 is an apocalyptic number.

It is an amenable number.

46401659881 is a deficient number, since it is larger than the sum of its proper divisors (1).

46401659881 is an equidigital number, since it uses as much as digits as its factorization.

46401659881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 46401659881 in words is "forty-six billion, four hundred one million, six hundred fifty-nine thousand, eight hundred eighty-one".