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1376317669 = 12710837147
BaseRepresentation
bin101001000001000…
…1111000011100101
310112220210011220111
41102002033003211
510304314131134
6344323133021
746051335646
oct12202170345
93486704814
101376317669
11646993921
12324b14171
1318c1a926c
14d0b096cd
1580c67c64
hex5208f0e5

1376317669 has 4 divisors (see below), whose sum is σ = 1387154944. Its totient is φ = 1365480396.

The previous prime is 1376317667. The next prime is 1376317693. The reversal of 1376317669 is 9667136731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9667136731 = 71381019533.

It is a cyclic number.

It is not a de Polignac number, because 1376317669 - 21 = 1376317667 is a prime.

It is a super-2 number, since 2×13763176692 = 3788500652003187122, 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 (1376317667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418447 + ... + 5418700.

It is an arithmetic number, because the mean of its divisors is an integer number (346788736).

Almost surely, 21376317669 is an apocalyptic number.

It is an amenable number.

1376317669 is a deficient number, since it is larger than the sum of its proper divisors (10837275).

1376317669 is a wasteful number, since it uses less digits than its factorization.

1376317669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837274.

The product of its digits is 857304, while the sum is 49.

The square root of 1376317669 is about 37098.7556260314. The cubic root of 1376317669 is about 1112.3451403181.

The spelling of 1376317669 in words is "one billion, three hundred seventy-six million, three hundred seventeen thousand, six hundred sixty-nine".

Divisors: 1 127 10837147 1376317669