Search a number
-
+
47438246742 = 237906374457
BaseRepresentation
bin101100001011100010…
…100011001101010110
311112110001102121210120
4230023202203031112
51234123142343432
633443130132410
73266364305235
oct541342431526
9145401377716
1047438246742
11191337209a7
12923ab81106
1346200cb5b3
142420406b1c
151379a1bc2c
hexb0b8a3356

47438246742 has 8 divisors (see below), whose sum is σ = 94876493496. Its totient is φ = 15812748912.

The previous prime is 47438246731. The next prime is 47438246761. The reversal of 47438246742 is 24764283474.

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

47438246742 is an admirable number.

It is a super-3 number, since 3×474382467423 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953187223 + ... + 3953187234.

It is an arithmetic number, because the mean of its divisors is an integer number (11859561687).

Almost surely, 247438246742 is an apocalyptic number.

47438246742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47438246742 is a wasteful number, since it uses less digits than its factorization.

47438246742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906374462.

The product of its digits is 7225344, while the sum is 51.

The spelling of 47438246742 in words is "forty-seven billion, four hundred thirty-eight million, two hundred forty-six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7906374457 15812748914 23719123371 47438246742