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47877907045 = 59575581409
BaseRepresentation
bin101100100101101111…
…101110001001100101
311120120200201200100111
4230211233232021211
51241023221011140
633554513413021
73313313331553
oct544557561145
9146520650314
1047877907045
1119339915221
12934226a171
134690217c17
142462972bd3
1513a34167ea
hexb25bee265

47877907045 has 4 divisors (see below), whose sum is σ = 57453488460. Its totient is φ = 38302325632.

The previous prime is 47877907043. The next prime is 47877907073. The reversal of 47877907045 is 54070977874.

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 31592574049 + 16285332996 = 177743^2 + 127614^2 .

It is a cyclic number.

It is not a de Polignac number, because 47877907045 - 21 = 47877907043 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47877907043) 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, 4787790700 + ... + 4787790709.

It is an arithmetic number, because the mean of its divisors is an integer number (14363372115).

Almost surely, 247877907045 is an apocalyptic number.

It is an amenable number.

47877907045 is a deficient number, since it is larger than the sum of its proper divisors (9575581415).

47877907045 is an equidigital number, since it uses as much as digits as its factorization.

47877907045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575581414.

The product of its (nonzero) digits is 13829760, while the sum is 58.

The spelling of 47877907045 in words is "forty-seven billion, eight hundred seventy-seven million, nine hundred seven thousand, forty-five".

Divisors: 1 5 9575581409 47877907045