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47700481009 = 179292660521
BaseRepresentation
bin101100011011001010…
…111001001111110001
311120010022212111120211
4230123022321033301
51240142310343014
633525134504121
73306030253516
oct543312711761
9146108774524
1047700481009
1119258750435
1292b2965041
1346625357bc
14244718930d
151392a6acc4
hexb1b2b93f1

47700481009 has 4 divisors (see below), whose sum is σ = 47703159460. Its totient is φ = 47697802560.

The previous prime is 47700480991. The next prime is 47700481013. The reversal of 47700481009 is 90018400774.

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 12426006784 + 35274474225 = 111472^2 + 187815^2 .

It is a cyclic number.

It is not a de Polignac number, because 47700481009 - 25 = 47700480977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47700481079) 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, 1312332 + ... + 1348189.

It is an arithmetic number, because the mean of its divisors is an integer number (11925789865).

Almost surely, 247700481009 is an apocalyptic number.

It is an amenable number.

47700481009 is a deficient number, since it is larger than the sum of its proper divisors (2678451).

47700481009 is a wasteful number, since it uses less digits than its factorization.

47700481009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678450.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 47700481009 in words is "forty-seven billion, seven hundred million, four hundred eighty-one thousand, nine".

Divisors: 1 17929 2660521 47700481009