Search a number
-
+
10242121244 = 223329769159
BaseRepresentation
bin10011000100111101…
…00101111000011100
3222102210100200000212
421202132211320130
5131433440334434
64412152111552
7511544410535
oct114236457034
928383320025
1010242121244
114386457313
121b9a0955b8
13c72c01994
146d238b68c
153ee2878ce
hex2627a5e1c

10242121244 has 12 divisors (see below), whose sum is σ = 17929119600. Its totient is φ = 5119515648.

The previous prime is 10242121243. The next prime is 10242121261. The reversal of 10242121244 is 44212124201.

10242121244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102421212442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10242121243) by changing a digit.

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, 371264 + ... + 397895.

It is an arithmetic number, because the mean of its divisors is an integer number (1494093300).

Almost surely, 210242121244 is an apocalyptic number.

It is an amenable number.

10242121244 is a deficient number, since it is larger than the sum of its proper divisors (7686998356).

10242121244 is a wasteful number, since it uses less digits than its factorization.

10242121244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772492 (or 772490 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10242121244 its reverse (44212124201), we get a palindrome (54454245445).

The spelling of 10242121244 in words is "ten billion, two hundred forty-two million, one hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 4 3329 6658 13316 769159 1538318 3076636 2560530311 5121060622 10242121244