Search a number
-
+
20115465562141 = 359135534134283
BaseRepresentation
bin1001001001011011111110…
…01011011110100000011101
32122020000112101021210210021
410210231333023132200131
510114032433140442031
6110440530045512141
74144202663062555
oct444557713364035
978200471253707
1020115465562141
116455a1499a954
12230a618872651
13b2bb59c27681
144d7845292165
1524d3b1be9511
hex124b7f2de81d

20115465562141 has 8 divisors (see below), whose sum is σ = 20172990720960. Its totient is φ = 20057948699712.

The previous prime is 20115465562117. The next prime is 20115465562169. The reversal of 20115465562141 is 14126556451102.

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 20115465562141 - 217 = 20115465431069 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 (20115465562441) 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, 2798386 + ... + 6932668.

It is an arithmetic number, because the mean of its divisors is an integer number (2521623840120).

Almost surely, 220115465562141 is an apocalyptic number.

It is an amenable number.

20115465562141 is a deficient number, since it is larger than the sum of its proper divisors (57525158819).

20115465562141 is a wasteful number, since it uses less digits than its factorization.

20115465562141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148195.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 20115465562141 in words is "twenty trillion, one hundred fifteen billion, four hundred sixty-five million, five hundred sixty-two thousand, one hundred forty-one".

Divisors: 1 359 13553 4134283 4865527 1484207597 56031937499 20115465562141