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47012521550013 = 325223613505557
BaseRepresentation
bin10101011000001111101001…
…01001011010000010111101
320011110100112110101122011100
422230013310221122002331
522130223121004100023
6243553130530043313
712621354052530525
oct1254076451320275
9204410473348140
1047012521550013
1113a8599788a258
125333412419539
132030353116786
14b875bd6d4685
15567d8485ec43
hex2ac1f4a5a0bd

47012521550013 has 6 divisors (see below), whose sum is σ = 67906975572254. Its totient is φ = 31341681033336.

The previous prime is 47012521550009. The next prime is 47012521550039. The reversal of 47012521550013 is 31005512521074.

47012521550013 is a `hidden beast` number, since 4 + 7 + 0 + 125 + 2 + 15 + 500 + 13 = 666.

47012521550013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32181873830649 + 14830647719364 = 5672907^2 + 3851058^2 .

It is not a de Polignac number, because 47012521550013 - 22 = 47012521550009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47012521550013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47012521500013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2611806752770 + ... + 2611806752787.

Almost surely, 247012521550013 is an apocalyptic number.

It is an amenable number.

47012521550013 is a deficient number, since it is larger than the sum of its proper divisors (20894454022241).

47012521550013 is a wasteful number, since it uses less digits than its factorization.

47012521550013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223613505563 (or 5223613505560 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 47012521550013 in words is "forty-seven trillion, twelve billion, five hundred twenty-one million, five hundred fifty thousand, thirteen".

Divisors: 1 3 9 5223613505557 15670840516671 47012521550013