Search a number
-
+
20121114324342 = 2319916851854543
BaseRepresentation
bin1001001001100110011111…
…10111110010110101110110
32122020120010001102122210010
410210303033313302311312
510114131020231334332
6110443302354241050
74144462653550203
oct444631767626566
978216101378703
1020121114324342
116458353530569
12230b734586186
13b2c54a2c5a05
144d7c1d590caa
1524d5e2aa19cc
hex124ccfdf2d76

20121114324342 has 16 divisors (see below), whose sum is σ = 40444450905600. Its totient is φ = 6673334398632.

The previous prime is 20121114324281. The next prime is 20121114324343. The reversal of 20121114324342 is 24342341112102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121114324343) 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, 8425926078 + ... + 8425928465.

It is an arithmetic number, because the mean of its divisors is an integer number (2527778181600).

Almost surely, 220121114324342 is an apocalyptic number.

20121114324342 is an abundant number, since it is smaller than the sum of its proper divisors (20323336581258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20121114324342 is a wasteful number, since it uses less digits than its factorization.

20121114324342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851854747.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 20121114324342 its reverse (24342341112102), we get a palindrome (44463455436444).

The spelling of 20121114324342 in words is "twenty trillion, one hundred twenty-one billion, one hundred fourteen million, three hundred twenty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 199 398 597 1194 16851854543 33703709086 50555563629 101111127258 3353519054057 6707038108114 10060557162171 20121114324342