Search a number
-
+
47251216669 = 659200335797
BaseRepresentation
bin101100000000011001…
…000101100100011101
311111222000111111202211
4230000121011210131
51233232302413134
633412405320421
73261633500116
oct540031054435
9144860444684
1047251216669
1119048097498
1291a8406111
1345c0435907
14240363d20d
1513683c5764
hexb0064591d

47251216669 has 8 divisors (see below), whose sum is σ = 47347866720. Its totient is φ = 47154643536.

The previous prime is 47251216667. The next prime is 47251216673. The reversal of 47251216669 is 96661215274.

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 47251216669 - 21 = 47251216667 is a prime.

It is a super-2 number, since 2×472512166692 (a number of 22 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 (47251216667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302079 + ... + 1337875.

It is an arithmetic number, because the mean of its divisors is an integer number (5918483340).

Almost surely, 247251216669 is an apocalyptic number.

It is an amenable number.

47251216669 is a deficient number, since it is larger than the sum of its proper divisors (96650051).

47251216669 is a wasteful number, since it uses less digits than its factorization.

47251216669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38459.

The product of its digits is 1088640, while the sum is 49.

The spelling of 47251216669 in words is "forty-seven billion, two hundred fifty-one million, two hundred sixteen thousand, six hundred sixty-nine".

Divisors: 1 659 2003 35797 1319977 23590223 71701391 47251216669