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1376380807 = 1765777951
BaseRepresentation
bin101001000001001…
…1110011110000111
310112220220101111221
41102002132132013
510304323141212
6344324341211
746052021014
oct12202363607
93486811457
101376380807
11646a272aa
12324b44807
1318c1cbc19
14d0b2470b
1580c7b807
hex5209e787

1376380807 has 4 divisors (see below), whose sum is σ = 1376476416. Its totient is φ = 1376285200.

The previous prime is 1376380787. The next prime is 1376380813. The reversal of 1376380807 is 7080836731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1376380807 - 227 = 1242163079 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 (1376387807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21319 + ... + 56632.

It is an arithmetic number, because the mean of its divisors is an integer number (344119104).

Almost surely, 21376380807 is an apocalyptic number.

1376380807 is a deficient number, since it is larger than the sum of its proper divisors (95609).

1376380807 is an equidigital number, since it uses as much as digits as its factorization.

1376380807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95608.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1376380807 is about 37099.6065612561. The cubic root of 1376380807 is about 1112.3621495147.

The spelling of 1376380807 in words is "one billion, three hundred seventy-six million, three hundred eighty thousand, eight hundred seven".

Divisors: 1 17657 77951 1376380807