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13754431639 = 134212513143
BaseRepresentation
bin11001100111101001…
…11111100010010111
31022111120101112010001
430303310333202113
5211132113303024
610152501112131
7664563511534
oct146364774227
938446345101
1013754431639
115919022083
1227ba3b8647
1313b278b660
14946a31d8b
155577c7244
hex333d3f897

13754431639 has 8 divisors (see below), whose sum is σ = 14847654752. Its totient is φ = 12666235680.

The previous prime is 13754431637. The next prime is 13754431651. The reversal of 13754431639 is 93613445731.

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 13754431639 - 21 = 13754431637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13754431637) 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, 1251099 + ... + 1262044.

It is an arithmetic number, because the mean of its divisors is an integer number (1855956844).

Almost surely, 213754431639 is an apocalyptic number.

13754431639 is a deficient number, since it is larger than the sum of its proper divisors (1093223113).

13754431639 is a wasteful number, since it uses less digits than its factorization.

13754431639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513577.

The product of its digits is 816480, while the sum is 46.

The spelling of 13754431639 in words is "thirteen billion, seven hundred fifty-four million, four hundred thirty-one thousand, six hundred thirty-nine".

Divisors: 1 13 421 5473 2513143 32670859 1058033203 13754431639