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47368661686 = 274551317693
BaseRepresentation
bin101100000111011001…
…000110101010110110
311112021012111100001021
4230013121012222312
51234002334133221
633432202451354
73264560660323
oct540731065266
9145235440037
1047368661686
11190a8413695
12921b803b5a
13460b8768c8
142415091b4a
151373874041
hexb07646ab6

47368661686 has 8 divisors (see below), whose sum is σ = 71054169264. Its totient is φ = 23683938600.

The previous prime is 47368661677. The next prime is 47368661687. The reversal of 47368661686 is 68616686374.

It is a happy number.

47368661686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47368661687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9745 + ... + 307948.

It is an arithmetic number, because the mean of its divisors is an integer number (8881771158).

Almost surely, 247368661686 is an apocalyptic number.

47368661686 is a deficient number, since it is larger than the sum of its proper divisors (23685507578).

47368661686 is a wasteful number, since it uses less digits than its factorization.

47368661686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392246.

The product of its digits is 41803776, while the sum is 61.

The spelling of 47368661686 in words is "forty-seven billion, three hundred sixty-eight million, six hundred sixty-one thousand, six hundred eighty-six".

Divisors: 1 2 74551 149102 317693 635386 23684330843 47368661686