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1339986667 = 67191104711
BaseRepresentation
bin100111111011110…
…1001001011101011
310110101102101010211
41033313221023223
510221014033132
6340544321551
745130461445
oct11767511353
93411371124
101339986667
116284298a8
123149132b7
131847c8726
14c9d6d495
157c98d147
hex4fde92eb

1339986667 has 8 divisors (see below), whose sum is σ = 1367119872. Its totient is φ = 1313063400.

The previous prime is 1339986653. The next prime is 1339986677. The reversal of 1339986667 is 7666899331.

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 1339986667 - 219 = 1339462379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339986607) 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, 39559 + ... + 65152.

It is an arithmetic number, because the mean of its divisors is an integer number (170889984).

Almost surely, 21339986667 is an apocalyptic number.

1339986667 is a deficient number, since it is larger than the sum of its proper divisors (27133205).

1339986667 is a wasteful number, since it uses less digits than its factorization.

1339986667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104969.

The product of its digits is 8817984, while the sum is 58.

The square root of 1339986667 is about 36605.8283200913. The cubic root of 1339986667 is about 1102.4701148996.

The spelling of 1339986667 in words is "one billion, three hundred thirty-nine million, nine hundred eighty-six thousand, six hundred sixty-seven".

Divisors: 1 67 191 12797 104711 7015637 19999801 1339986667