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47446420686 = 2371129676683
BaseRepresentation
bin101100001100000001…
…101110110011001110
311112110121210220100020
4230030001232303032
51234132240430221
633444021243010
73266523631050
oct541401566316
9145417726306
1047446420686
11191382a4125
129241863466
134621a00c52
1424215338d0
15137a5d3ac6
hexb0c06ecce

47446420686 has 16 divisors (see below), whose sum is σ = 108448961664. Its totient is φ = 13556120184.

The previous prime is 47446420649. The next prime is 47446420727. The reversal of 47446420686 is 68602464474.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564838300 + ... + 564838383.

It is an arithmetic number, because the mean of its divisors is an integer number (6778060104).

Almost surely, 247446420686 is an apocalyptic number.

47446420686 is an abundant number, since it is smaller than the sum of its proper divisors (61002540978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47446420686 is a wasteful number, since it uses less digits than its factorization.

47446420686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129676695.

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 47446420686 in words is "forty-seven billion, four hundred forty-six million, four hundred twenty thousand, six hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 1129676683 2259353366 3389030049 6778060098 7907736781 15815473562 23723210343 47446420686