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47760530638 = 223880265319
BaseRepresentation
bin101100011110101111…
…111101110011001110
311120021111212100012011
4230132233331303032
51240303143440023
633535121531434
73310356545362
oct543657756316
9146244770164
1047760530638
1119289635627
12930aaa3b7a
134671acc222
14245113b2a2
151397e7d50d
hexb1ebfdcce

47760530638 has 4 divisors (see below), whose sum is σ = 71640795960. Its totient is φ = 23880265318.

The previous prime is 47760530633. The next prime is 47760530669. The reversal of 47760530638 is 83603506774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83603506774 = 241801753387.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47760530591 and 47760530600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47760530633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11940132658 + ... + 11940132661.

It is an arithmetic number, because the mean of its divisors is an integer number (17910198990).

Almost surely, 247760530638 is an apocalyptic number.

47760530638 is a deficient number, since it is larger than the sum of its proper divisors (23880265322).

47760530638 is a wasteful number, since it uses less digits than its factorization.

47760530638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23880265321.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 47760530638 in words is "forty-seven billion, seven hundred sixty million, five hundred thirty thousand, six hundred thirty-eight".

Divisors: 1 2 23880265319 47760530638