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47904030709 = 193248207413
BaseRepresentation
bin101100100111010011…
…010111111111110101
311120122111212220021121
4230213103113333311
51241101412440314
634001245343541
73314051354053
oct544723277765
9146574786247
1047904030709
1119352638327
12934ab67bb1
134695763702
1424662131d3
1513a5876d24
hexb274d7ff5

47904030709 has 4 divisors (see below), whose sum is σ = 48152238316. Its totient is φ = 47655823104.

The previous prime is 47904030677. The next prime is 47904030767. The reversal of 47904030709 is 90703040974.

It is a happy number.

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 26790487684 + 21113543025 = 163678^2 + 145305^2 .

It is a cyclic number.

It is not a de Polignac number, because 47904030709 - 25 = 47904030677 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 (47904036709) 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, 124103514 + ... + 124103899.

It is an arithmetic number, because the mean of its divisors is an integer number (12038059579).

Almost surely, 247904030709 is an apocalyptic number.

It is an amenable number.

47904030709 is a deficient number, since it is larger than the sum of its proper divisors (248207607).

47904030709 is a wasteful number, since it uses less digits than its factorization.

47904030709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248207606.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 47904030709 in words is "forty-seven billion, nine hundred four million, thirty thousand, seven hundred nine".

Divisors: 1 193 248207413 47904030709