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13890162539 = 116192039971
BaseRepresentation
bin11001110111110101…
…10000111101101011
31022212000210100220102
430323322300331223
5211421340200124
610214150220015
71001132301461
oct147372607553
938760710812
1013890162539
1159886a8780
12283795460b
1314049327b6
1495aa84831
15564688aae
hex33beb0f6b

13890162539 has 8 divisors (see below), whose sum is σ = 15177391680. Its totient is φ = 12607014600.

The previous prime is 13890162499. The next prime is 13890162551. The reversal of 13890162539 is 93526109831.

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 13890162539 - 220 = 13889113963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13890162493 and 13890162502.

It is not an unprimeable number, because it can be changed into a prime (13890152539) 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, 1013177 + ... + 1026794.

It is an arithmetic number, because the mean of its divisors is an integer number (1897173960).

Almost surely, 213890162539 is an apocalyptic number.

13890162539 is a deficient number, since it is larger than the sum of its proper divisors (1287229141).

13890162539 is a wasteful number, since it uses less digits than its factorization.

13890162539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040601.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 13890162539 in words is "thirteen billion, eight hundred ninety million, one hundred sixty-two thousand, five hundred thirty-nine".

Divisors: 1 11 619 6809 2039971 22439681 1262742049 13890162539