Search a number
-
+
46472820315881 = 191324293162737
BaseRepresentation
bin10101001000100010010111…
…11100100101011011101001
320002112202110202022021010212
422210101023330211123221
522042402314000102011
6242501152515350505
712534356544656651
oct1244211374453351
9202482422267125
1046472820315881
1113898015584a63
1252668b15b2435
131cc14a2aa15ab
14b69421875361
15558ce85ad08b
hex2a444bf256e9

46472820315881 has 4 divisors (see below), whose sum is σ = 46497113480532. Its totient is φ = 46448527151232.

The previous prime is 46472820315869. The next prime is 46472820315941. The reversal of 46472820315881 is 18851302827464.

46472820315881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17768888979856 + 28703931336025 = 4215316^2 + 5357605^2 .

It is a cyclic number.

It is not a de Polignac number, because 46472820315881 - 222 = 46472816121577 is a prime.

It is a super-2 number, since 2×464728203158812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46472820315881.

It is not an unprimeable number, because it can be changed into a prime (46472820317881) 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 3 ways as a sum of consecutive naturals, for example, 12146579456 + ... + 12146583281.

It is an arithmetic number, because the mean of its divisors is an integer number (11624278370133).

Almost surely, 246472820315881 is an apocalyptic number.

It is an amenable number.

46472820315881 is a deficient number, since it is larger than the sum of its proper divisors (24293164651).

46472820315881 is a wasteful number, since it uses less digits than its factorization.

46472820315881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24293164650.

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 46472820315881 in words is "forty-six trillion, four hundred seventy-two billion, eight hundred twenty million, three hundred fifteen thousand, eight hundred eighty-one".

Divisors: 1 1913 24293162737 46472820315881