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1376481871 = 31265916699
BaseRepresentation
bin101001000001011…
…0111001001001111
310112221002112011001
41102002313021033
510304334404441
6344330441131
746052621452
oct12202671117
93487075131
101376481871
11646a96226
12324b931a7
1318c235c1b
14d0b4d499
1580c9b731
hex520b724f

1376481871 has 8 divisors (see below), whose sum is σ = 1421504000. Its totient is φ = 1331498520.

The previous prime is 1376481853. The next prime is 1376481907. The reversal of 1376481871 is 1781846731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1376481871 - 215 = 1376449103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376481571) 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, 74080 + ... + 90778.

It is an arithmetic number, because the mean of its divisors is an integer number (177688000).

Almost surely, 21376481871 is an apocalyptic number.

1376481871 is a deficient number, since it is larger than the sum of its proper divisors (45022129).

1376481871 is a wasteful number, since it uses less digits than its factorization.

1376481871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19389.

The product of its digits is 225792, while the sum is 46.

The square root of 1376481871 is about 37100.9685992158. The cubic root of 1376481871 is about 1112.3893747846.

The spelling of 1376481871 in words is "one billion, three hundred seventy-six million, four hundred eighty-one thousand, eight hundred seventy-one".

Divisors: 1 31 2659 16699 82429 517669 44402641 1376481871