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1307036568049 = 11432572
BaseRepresentation
bin10011000001010001011…
…100110100100111110001
311121221200121220010221121
4103001101130310213301
5132403302330134144
62440235545422241
7163300404343132
oct23012134644761
94557617803847
101307036568049
11464347082993
1219138ba9a981
1396339b64a84
1447391d03c89
1523eeba64384
hex130517349f1

1307036568049 has 3 divisors (see below), whose sum is σ = 1307037711307. Its totient is φ = 1307035424792.

The previous prime is 1307036568043. The next prime is 1307036568053. The reversal of 1307036568049 is 9408656307031.

It is a happy number.

The square root of 1307036568049 is 1143257.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 241252880625 + 1065783687424 = 491175^2 + 1032368^2 .

It is not a de Polignac number, because 1307036568049 - 23 = 1307036568041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1307036567987 and 1307036568005.

It is not an unprimeable number, because it can be changed into a prime (1307036568041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 571629 + ... + 1714885.

Almost surely, 21307036568049 is an apocalyptic number.

1307036568049 is the 1143257-th square number.

1307036568049 is the 571629-th centered octagonal number.

It is an amenable number.

1307036568049 is a deficient number, since it is larger than the sum of its proper divisors (1143258).

1307036568049 is an frugal number, since it uses more digits than its factorization.

1307036568049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286514 (or 1143257 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 1307036568049 in words is "one trillion, three hundred seven billion, thirty-six million, five hundred sixty-eight thousand, forty-nine".

Divisors: 1 1143257 1307036568049