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1380313377 = 32295288557
BaseRepresentation
bin101001001000101…
…1110100100100001
310120012022011222200
41102101132210201
510311330012002
6344544523413
746130320152
oct12221364441
93505264880
101380313377
11649172963
12326320569
1318cc77ba1
14d1469929
15812a6b1c
hex5245e921

1380313377 has 12 divisors (see below), whose sum is σ = 2062537620. Its totient is φ = 888477408.

The previous prime is 1380313367. The next prime is 1380313381. The reversal of 1380313377 is 7733130831.

It can be written as a sum of positive squares in 2 ways, for example, as 284968161 + 1095345216 = 16881^2 + 33096^2 .

It is not a de Polignac number, because 1380313377 - 26 = 1380313313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380313367) 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 11 ways as a sum of consecutive naturals, for example, 2644018 + ... + 2644539.

It is an arithmetic number, because the mean of its divisors is an integer number (171878135).

Almost surely, 21380313377 is an apocalyptic number.

It is an amenable number.

1380313377 is a deficient number, since it is larger than the sum of its proper divisors (682224243).

1380313377 is a wasteful number, since it uses less digits than its factorization.

1380313377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288592 (or 5288589 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1380313377 is about 37152.5689152177. The cubic root of 1380313377 is about 1113.4205490518.

The spelling of 1380313377 in words is "one billion, three hundred eighty million, three hundred thirteen thousand, three hundred seventy-seven".

Divisors: 1 3 9 29 87 261 5288557 15865671 47597013 153368153 460104459 1380313377