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47477108005 = 59495421601
BaseRepresentation
bin101100001101110110…
…110010110100100101
311112112202112222102121
4230031312302310211
51234213114424010
633451035105541
73300345521335
oct541566626445
9145482488377
1047477108005
1119153653a48
12924bba22b1
134628186a22
1424256410c5
15137d1463da
hexb0ddb2d25

47477108005 has 4 divisors (see below), whose sum is σ = 56972529612. Its totient is φ = 37981686400.

The previous prime is 47477107981. The next prime is 47477108009. The reversal of 47477108005 is 50080177474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32613109281 + 14863998724 = 180591^2 + 121918^2 .

It is not a de Polignac number, because 47477108005 - 25 = 47477107973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47477108009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747710796 + ... + 4747710805.

It is an arithmetic number, because the mean of its divisors is an integer number (14243132403).

Almost surely, 247477108005 is an apocalyptic number.

It is an amenable number.

47477108005 is a deficient number, since it is larger than the sum of its proper divisors (9495421607).

47477108005 is an equidigital number, since it uses as much as digits as its factorization.

47477108005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9495421606.

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 47477108005 in words is "forty-seven billion, four hundred seventy-seven million, one hundred eight thousand, five".

Divisors: 1 5 9495421601 47477108005