Search a number
-
+
20154344345102 = 211916106561141
BaseRepresentation
bin1001001010100100011001…
…00010010000111000001110
32122100201212220120121122202
410211102030202100320032
510120202044123020402
6110510440013041502
74150050304222202
oct445221442207016
978321786517582
1020154344345102
116470455a61a40
122316069186292
13b3271490aba6
144d969299ab02
1524e3da058b02
hex12548c890e0e

20154344345102 has 8 divisors (see below), whose sum is σ = 32979836201112. Its totient is φ = 9161065611400.

The previous prime is 20154344344993. The next prime is 20154344345189.

20154344345102 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458053280549 + ... + 458053280592.

It is an arithmetic number, because the mean of its divisors is an integer number (4122479525139).

Almost surely, 220154344345102 is an apocalyptic number.

20154344345102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20154344345102 is a deficient number, since it is larger than the sum of its proper divisors (12825491856010).

20154344345102 is a wasteful number, since it uses less digits than its factorization.

20154344345102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916106561154.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 20154344345102 in words is "twenty trillion, one hundred fifty-four billion, three hundred forty-four million, three hundred forty-five thousand, one hundred two".

Divisors: 1 2 11 22 916106561141 1832213122282 10077172172551 20154344345102