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1380519673 = 13475389479
BaseRepresentation
bin101001001001001…
…0000111011111001
310120012200122222021
41102102100323321
510311403112143
6344553154441
746132136461
oct12222207371
93505618867
101380519673
116492a3955
123263bba21
1319001aa60
14d14c0ba1
15812e7ced
hex52490ef9

1380519673 has 32 divisors (see below), whose sum is σ = 1567641600. Its totient is φ = 1207405056.

The previous prime is 1380519667. The next prime is 1380519677. The reversal of 1380519673 is 3769150831.

It is not a de Polignac number, because 1380519673 - 217 = 1380388601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380519677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2881848 + ... + 2882326.

It is an arithmetic number, because the mean of its divisors is an integer number (48988800).

Almost surely, 21380519673 is an apocalyptic number.

1380519673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1380519673 is a deficient number, since it is larger than the sum of its proper divisors (187121927).

1380519673 is a wasteful number, since it uses less digits than its factorization.

1380519673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1380519673 is about 37155.3451470983. The cubic root of 1380519673 is about 1113.4760153846.

The spelling of 1380519673 in words is "one billion, three hundred eighty million, five hundred nineteen thousand, six hundred seventy-three".

Divisors: 1 13 47 53 89 479 611 689 1157 2491 4183 4717 6227 22513 25387 32383 42631 54379 61321 221699 292669 330031 554203 1193189 2003657 2259443 2882087 15511457 26047541 29372759 106193821 1380519673