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47450620751 = 79600640769
BaseRepresentation
bin101100001100010001…
…110000001101001111
311112110220201021202012
4230030101300031033
51234134324331001
633444251251435
73266604423122
oct541421601517
9145426637665
1047450620751
111913a702756
129243149b7b
1346228418b1
142421d083b9
15137ab632bb
hexb0c47034f

47450620751 has 4 divisors (see below), whose sum is σ = 48051261600. Its totient is φ = 46849979904.

The previous prime is 47450620747. The next prime is 47450620753. The reversal of 47450620751 is 15702605474.

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

It is a cyclic number.

It is not a de Polignac number, because 47450620751 - 22 = 47450620747 is a prime.

It is a super-2 number, since 2×474506207512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47450620699 and 47450620708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47450620753) 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, 300320306 + ... + 300320463.

It is an arithmetic number, because the mean of its divisors is an integer number (12012815400).

Almost surely, 247450620751 is an apocalyptic number.

47450620751 is a deficient number, since it is larger than the sum of its proper divisors (600640849).

47450620751 is an equidigital number, since it uses as much as digits as its factorization.

47450620751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600640848.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 47450620751 in words is "forty-seven billion, four hundred fifty million, six hundred twenty thousand, seven hundred fifty-one".

Divisors: 1 79 600640769 47450620751