Search a number
-
+
13642644151 = 16249839599
BaseRepresentation
bin11001011010010101…
…00011101010110111
31022012210001010111201
430231022203222313
5210420004103101
610133425113331
7662035363513
oct145512435267
938183033451
1013642644151
115870a0a524
122788a88847
13139557b806
14935c53143
1554ca94e01
hex32d2a3ab7

13642644151 has 4 divisors (see below), whose sum is σ = 13643500000. Its totient is φ = 13641788304.

The previous prime is 13642644047. The next prime is 13642644167. The reversal of 13642644151 is 15144624631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15144624631 = 83182465357.

It is a cyclic number.

It is not a de Polignac number, because 13642644151 - 27 = 13642644023 is a prime.

It is a super-2 number, since 2×136426441512 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13642644151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642644251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403551 + ... + 436048.

It is an arithmetic number, because the mean of its divisors is an integer number (3410875000).

Almost surely, 213642644151 is an apocalyptic number.

13642644151 is a deficient number, since it is larger than the sum of its proper divisors (855849).

13642644151 is an equidigital number, since it uses as much as digits as its factorization.

13642644151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855848.

The product of its digits is 69120, while the sum is 37.

The spelling of 13642644151 in words is "thirteen billion, six hundred forty-two million, six hundred forty-four thousand, one hundred fifty-one".

Divisors: 1 16249 839599 13642644151