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47451290873 = 76778755839
BaseRepresentation
bin101100001100010100…
…010011110011111001
311112110221222022222112
4230030110103303321
51234140012301443
633444313502105
73266613213620
oct541424236371
9145427868875
1047451290873
1119140020178
129243411935
134622a1790c
1424220406b7
15137ac46b18
hexb0c513cf9

47451290873 has 4 divisors (see below), whose sum is σ = 54230046720. Its totient is φ = 40672535028.

The previous prime is 47451290867. The next prime is 47451290879. The reversal of 47451290873 is 37809215474.

47451290873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37809215474 = 218904607737.

It is an interprime number because it is at equal distance from previous prime (47451290867) and next prime (47451290879).

It is a cyclic number.

It is not a de Polignac number, because 47451290873 - 24 = 47451290857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47451290879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389377913 + ... + 3389377926.

It is an arithmetic number, because the mean of its divisors is an integer number (13557511680).

Almost surely, 247451290873 is an apocalyptic number.

It is an amenable number.

47451290873 is a deficient number, since it is larger than the sum of its proper divisors (6778755847).

47451290873 is an equidigital number, since it uses as much as digits as its factorization.

47451290873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778755846.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 47451290873 in words is "forty-seven billion, four hundred fifty-one million, two hundred ninety thousand, eight hundred seventy-three".

Divisors: 1 7 6778755839 47451290873