Search a number
-
+
20116765154170 = 252011676515417
BaseRepresentation
bin1001001001011110011001…
…01001000001101101111010
32122020010212221200220220101
410210233030221001231322
510114043113334413140
6110441303032350014
74144250123323606
oct444571451015572
978203787626811
1020116765154170
116456521539653
12230a91bb4530a
13b2c00624ba39
144d7929b08506
1524d43ad5899a
hex124bcca41b7a

20116765154170 has 8 divisors (see below), whose sum is σ = 36210177277524. Its totient is φ = 8046706061664.

The previous prime is 20116765154137. The next prime is 20116765154173. The reversal of 20116765154170 is 7145156761102.

It can be written as a sum of positive squares in 2 ways, for example, as 17971486439841 + 2145278714329 = 4239279^2 + 1464677^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20116765154170.

It is not an unprimeable number, because it can be changed into a prime (20116765154173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005838257699 + ... + 1005838257718.

Almost surely, 220116765154170 is an apocalyptic number.

20116765154170 is a deficient number, since it is larger than the sum of its proper divisors (16093412123354).

20116765154170 is a wasteful number, since it uses less digits than its factorization.

20116765154170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011676515424.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 20116765154170 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-five million, one hundred fifty-four thousand, one hundred seventy".

Divisors: 1 2 5 10 2011676515417 4023353030834 10058382577085 20116765154170