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47064276644 = 22711213891463
BaseRepresentation
bin101011110101001111…
…111101111010100100
311111110222201222021012
4223311033331322210
51232341423323034
633342050441352
73254203515350
oct536517757244
9144428658235
1047064276644
1118a61614700
129155893258
1345907a1c08
1423c689a460
151356c9acce
hexaf53fdea4

47064276644 has 36 divisors (see below), whose sum is σ = 103463623872. Its totient is φ = 18336729840.

The previous prime is 47064276641. The next prime is 47064276653. The reversal of 47064276644 is 44667246074.

It is a super-2 number, since 2×470642766442 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47064276592 and 47064276601.

It is not an unprimeable number, because it can be changed into a prime (47064276641) 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 11 ways as a sum of consecutive naturals, for example, 6942344 + ... + 6949119.

It is an arithmetic number, because the mean of its divisors is an integer number (2873989552).

Almost surely, 247064276644 is an apocalyptic number.

47064276644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47064276644 is an abundant number, since it is smaller than the sum of its proper divisors (56399347228).

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

47064276644 is a wasteful number, since it uses less digits than its factorization.

47064276644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891496 (or 13891483 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 47064276644 in words is "forty-seven billion, sixty-four million, two hundred seventy-six thousand, six hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 3388 13891463 27782926 55565852 97240241 152806093 194480482 305612186 388960964 611224372 1069642651 1680867023 2139285302 3361734046 4278570604 6723468092 11766069161 23532138322 47064276644