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1310552669 = 10112975769
BaseRepresentation
bin100111000011101…
…0111001001011101
310101100000222021202
41032013113021131
510141000141134
6334013405245
744322341156
oct11607271135
93340028252
101310552669
11612855688
12306a99825
1317b69126a
14c60aa92d
157a0c6d7e
hex4e1d725d

1310552669 has 4 divisors (see below), whose sum is σ = 1323528540. Its totient is φ = 1297576800.

The previous prime is 1310552657. The next prime is 1310552701. The reversal of 1310552669 is 9662550131.

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 1086691225 + 223861444 = 32965^2 + 14962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310552669 - 220 = 1309504093 is a prime.

It is a super-2 number, since 2×13105526692 = 3435096596446047122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310552069) 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 3 ways as a sum of consecutive naturals, for example, 6487784 + ... + 6487985.

It is an arithmetic number, because the mean of its divisors is an integer number (330882135).

Almost surely, 21310552669 is an apocalyptic number.

It is an amenable number.

1310552669 is a deficient number, since it is larger than the sum of its proper divisors (12975871).

1310552669 is a wasteful number, since it uses less digits than its factorization.

1310552669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975870.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 1310552669 is about 36201.5561682091. The cubic root of 1310552669 is about 1094.3380329300.

The spelling of 1310552669 in words is "one billion, three hundred ten million, five hundred fifty-two thousand, six hundred sixty-nine".

Divisors: 1 101 12975769 1310552669