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47216044278631 = 832247372531261
BaseRepresentation
bin10101011110001010101111…
…00011000000001101100111
320012011210212022022110212001
422233011113203000031213
522142041424313404011
6244230430140310131
712642150410266414
oct1257052743001547
9205153768273761
1047216044278631
1114054237091618
125366951842347
1320465b91cc647
14b933a95ad10b
1556d2e71d07c1
hex2af1578c0367

47216044278631 has 8 divisors (see below), whose sum is σ = 47785143785904. Its totient is φ = 46646950283520.

The previous prime is 47216044278619. The next prime is 47216044278653. The reversal of 47216044278631 is 13687244061274.

It is a happy number.

47216044278631 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 cyclic number.

It is not a de Polignac number, because 47216044278631 - 219 = 47216043754343 is a prime.

It is a super-2 number, since 2×472160442786312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47216044278031) 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, 17387541 + ... + 19918801.

It is an arithmetic number, because the mean of its divisors is an integer number (5973142973238).

Almost surely, 247216044278631 is an apocalyptic number.

47216044278631 is a deficient number, since it is larger than the sum of its proper divisors (569099507273).

47216044278631 is a wasteful number, since it uses less digits than its factorization.

47216044278631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756081.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 47216044278631 in words is "forty-seven trillion, two hundred sixteen billion, forty-four million, two hundred seventy-eight thousand, six hundred thirty-one".

Divisors: 1 83 224737 2531261 18653171 210094663 568868003357 47216044278631