Search a number
-
+
16138613101 = 131936432289
BaseRepresentation
bin11110000011110111…
…11011000101101101
31112122201122111020011
433001323323011231
5231022441104401
611225230253221
71110633643102
oct170173730555
945581574204
1016138613101
11693190a986
123164957211
1316a26c9210
14ad1534aa9
15646c76451
hex3c1efb16d

16138613101 has 8 divisors (see below), whose sum is σ = 17470099640. Its totient is φ = 14819991552.

The previous prime is 16138613089. The next prime is 16138613131. The reversal of 16138613101 is 10131683161.

It can be written as a sum of positive squares in 4 ways, for example, as 694586025 + 15444027076 = 26355^2 + 124274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16138613101 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 (16138613131) 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, 3213636 + ... + 3218653.

It is an arithmetic number, because the mean of its divisors is an integer number (2183762455).

Almost surely, 216138613101 is an apocalyptic number.

It is an amenable number.

16138613101 is a deficient number, since it is larger than the sum of its proper divisors (1331486539).

16138613101 is a wasteful number, since it uses less digits than its factorization.

16138613101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432495.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 16138613101 in words is "sixteen billion, one hundred thirty-eight million, six hundred thirteen thousand, one hundred one".

Divisors: 1 13 193 2509 6432289 83619757 1241431777 16138613101