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46628994281 = 60180819601
BaseRepresentation
bin101011011011010011…
…011111110011101001
311110100122200100010012
4223123103133303221
51230444010304111
633230541101305
73240336624512
oct533323376351
9143318610105
1046628994281
1118858940611
129053b57835
13452155919c
142384b4da09
15132d96848b
hexadb4dfce9

46628994281 has 8 divisors (see below), whose sum is σ = 46717225128. Its totient is φ = 46540800000.

The previous prime is 46628994233. The next prime is 46628994299. The reversal of 46628994281 is 18249982664.

It can be written as a sum of positive squares in 4 ways, for example, as 16824424681 + 29804569600 = 129709^2 + 172640^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-46628994281 is a prime.

It is a super-2 number, since 2×466289942812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 46628994281.

It is not an unprimeable number, because it can be changed into a prime (46628994211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4851881 + ... + 4861481.

It is an arithmetic number, because the mean of its divisors is an integer number (5839653141).

Almost surely, 246628994281 is an apocalyptic number.

It is an amenable number.

46628994281 is a deficient number, since it is larger than the sum of its proper divisors (88230847).

46628994281 is an equidigital number, since it uses as much as digits as its factorization.

46628994281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18283.

The product of its digits is 11943936, while the sum is 59.

The spelling of 46628994281 in words is "forty-six billion, six hundred twenty-eight million, nine hundred ninety-four thousand, two hundred eighty-one".

Divisors: 1 601 8081 9601 4856681 5770201 77585681 46628994281