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1380083611 = 13710073603
BaseRepresentation
bin101001001000010…
…0110011110011011
310120011212111210211
41102100212132123
510311300133421
6344535551551
746125342244
oct12220463633
93504774724
101380083611
11649026275
1232622b5b7
1318cbc742a
14d1409ccb
158125d9e1
hex5242679b

1380083611 has 4 divisors (see below), whose sum is σ = 1390157352. Its totient is φ = 1370009872.

The previous prime is 1380083603. The next prime is 1380083623. The reversal of 1380083611 is 1163800831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1163800831 = 7116391561.

It is a cyclic number.

It is not a de Polignac number, because 1380083611 - 23 = 1380083603 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380083641) 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, 5036665 + ... + 5036938.

It is an arithmetic number, because the mean of its divisors is an integer number (347539338).

Almost surely, 21380083611 is an apocalyptic number.

1380083611 is a deficient number, since it is larger than the sum of its proper divisors (10073741).

1380083611 is a wasteful number, since it uses less digits than its factorization.

1380083611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073740.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1380083611 is about 37149.4765911984. The cubic root of 1380083611 is about 1113.3587658881.

The spelling of 1380083611 in words is "one billion, three hundred eighty million, eighty-three thousand, six hundred eleven".

Divisors: 1 137 10073603 1380083611