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1012747047 = 31325967873
BaseRepresentation
bin111100010111010…
…100101100100111
32121120122212202220
4330113110230213
54033230401142
6244254403423
734045131204
oct7427245447
92546585686
101012747047
1147a73a934
12243200573
13131a81210
1498708cab
155dd9d2ec
hex3c5d4b27

1012747047 has 8 divisors (see below), whose sum is σ = 1454200944. Its totient is φ = 623228928.

The previous prime is 1012747037. The next prime is 1012747049. The reversal of 1012747047 is 7407472101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012747047 - 27 = 1012746919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012746999 and 1012747017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012747049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12983898 + ... + 12983975.

It is an arithmetic number, because the mean of its divisors is an integer number (181775118).

Almost surely, 21012747047 is an apocalyptic number.

1012747047 is a deficient number, since it is larger than the sum of its proper divisors (441453897).

1012747047 is a wasteful number, since it uses less digits than its factorization.

1012747047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25967889.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 1012747047 is about 31823.6868857145. The cubic root of 1012747047 is about 1004.2310883099.

The spelling of 1012747047 in words is "one billion, twelve million, seven hundred forty-seven thousand, forty-seven".

Divisors: 1 3 13 39 25967873 77903619 337582349 1012747047