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1380280683 = 3716480191
BaseRepresentation
bin101001001000101…
…0110100101101011
310120012020112010210
41102101112211223
510311322440213
6344544112203
746130122635
oct12221264553
93505215123
101380280683
11649150341
12326305663
1318cc66042
14d145ba55
158129c0c3
hex5245696b

1380280683 has 8 divisors (see below), whose sum is σ = 1866295296. Its totient is φ = 907226600.

The previous prime is 1380280679. The next prime is 1380280717. The reversal of 1380280683 is 3860820831.

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 1380280683 - 22 = 1380280679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380280613) 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, 3239883 + ... + 3240308.

It is an arithmetic number, because the mean of its divisors is an integer number (233286912).

Almost surely, 21380280683 is an apocalyptic number.

1380280683 is a deficient number, since it is larger than the sum of its proper divisors (486014613).

1380280683 is an equidigital number, since it uses as much as digits as its factorization.

1380280683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480265.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1380280683 is about 37152.1289161200. The cubic root of 1380280683 is about 1113.4117581836.

The spelling of 1380280683 in words is "one billion, three hundred eighty million, two hundred eighty thousand, six hundred eighty-three".

Divisors: 1 3 71 213 6480191 19440573 460093561 1380280683