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1377415345 = 5436539811
BaseRepresentation
bin101001000011001…
…1011000010110001
310112222211221122011
41102012123002301
510310104242340
6344402442521
746063560115
oct12206330261
93488757564
101377415345
11647573599
12325363441
1318c4a1a87
14d0d13745
1580dd30ea
hex5219b0b1

1377415345 has 16 divisors (see below), whose sum is σ = 1694100672. Its totient is φ = 1074548160.

The previous prime is 1377415321. The next prime is 1377415373. The reversal of 1377415345 is 5435147731.

It is not a de Polignac number, because 1377415345 - 25 = 1377415313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377415298 and 1377415307.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135490 + ... + 145300.

It is an arithmetic number, because the mean of its divisors is an integer number (105881292).

Almost surely, 21377415345 is an apocalyptic number.

It is an amenable number.

1377415345 is a deficient number, since it is larger than the sum of its proper divisors (316685327).

1377415345 is an equidigital number, since it uses as much as digits as its factorization.

1377415345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512.

The product of its digits is 176400, while the sum is 40.

The square root of 1377415345 is about 37113.5466507851. The cubic root of 1377415345 is about 1112.6407770343.

The spelling of 1377415345 in words is "one billion, three hundred seventy-seven million, four hundred fifteen thousand, three hundred forty-five".

Divisors: 1 5 43 215 653 3265 9811 28079 49055 140395 421873 2109365 6406583 32032915 275483069 1377415345