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1377200056 = 231731132561
BaseRepresentation
bin101001000010110…
…0110011110111000
310112222110000022111
41102011212132320
510310030400211
6344354102104
746062002341
oct12205463670
93488400274
101377200056
11647436871
1232527a934
1318c427a9b
14d0c990c8
1580d8e421
hex521667b8

1377200056 has 32 divisors (see below), whose sum is σ = 2743022880. Its totient is φ = 645990400.

The previous prime is 1377200023. The next prime is 1377200057. The reversal of 1377200056 is 6500027731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377200057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26016 + ... + 58576.

It is an arithmetic number, because the mean of its divisors is an integer number (85719465).

Almost surely, 21377200056 is an apocalyptic number.

It is an amenable number.

1377200056 is a deficient number, since it is larger than the sum of its proper divisors (1365822824).

1377200056 is a wasteful number, since it uses less digits than its factorization.

1377200056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32895 (or 32891 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1377200056 is about 37110.6461274928. The cubic root of 1377200056 is about 1112.5828057036.

Adding to 1377200056 its reverse (6500027731), we get a palindrome (7877227787).

The spelling of 1377200056 in words is "one billion, three hundred seventy-seven million, two hundred thousand, fifty-six".

Divisors: 1 2 4 8 17 34 68 136 311 622 1244 2488 5287 10574 21148 32561 42296 65122 130244 260488 553537 1107074 2214148 4428296 10126471 20252942 40505884 81011768 172150007 344300014 688600028 1377200056