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1312155034 = 21017578581
BaseRepresentation
bin100111000110101…
…1110010110011010
310101110001101022121
41032031132112122
510141402430114
6334112011454
744342063611
oct11615362632
93343041277
101312155034
1161374a553
12307530b8a
1317bb026c8
14c63a6878
157a2e1a24
hex4e35e59a

1312155034 has 16 divisors (see below), whose sum is σ = 1990577736. Its totient is φ = 648648000.

The previous prime is 1312154999. The next prime is 1312155041. The reversal of 1312155034 is 4305512131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1088802009 + 223353025 = 32997^2 + 14945^2 .

It is an unprimeable number.

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, 148624 + ... + 157204.

Almost surely, 21312155034 is an apocalyptic number.

1312155034 is a deficient number, since it is larger than the sum of its proper divisors (678422702).

1312155034 is a wasteful number, since it uses less digits than its factorization.

1312155034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1312155034 is about 36223.6805694838. The cubic root of 1312155034 is about 1094.7838536971.

Adding to 1312155034 its reverse (4305512131), we get a palindrome (5617667165).

The spelling of 1312155034 in words is "one billion, three hundred twelve million, one hundred fifty-five thousand, thirty-four".

Divisors: 1 2 101 202 757 1514 8581 17162 76457 152914 866681 1733362 6495817 12991634 656077517 1312155034