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121441242344 = 2340487374939
BaseRepresentation
bin111000100011001110…
…1100100110011101000
3102121110110010022022112
41301012131210303220
53442202424223334
6131442255141452
711526266346062
oct1610635446350
9377413108275
10121441242344
11475594628a4
121b652514888
13b5b4975ca6
145c40912732
15325b7954ce
hex1c46764ce8

121441242344 has 16 divisors (see below), whose sum is σ = 227708560800. Its totient is φ = 60718959472.

The previous prime is 121441242341. The next prime is 121441242353. The reversal of 121441242344 is 443242144121.

It is a super-2 number, since 2×1214412423442 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121441242344.

It is not an unprimeable number, because it can be changed into a prime (121441242341) 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, 136427 + ... + 511365.

It is an arithmetic number, because the mean of its divisors is an integer number (14231785050).

Almost surely, 2121441242344 is an apocalyptic number.

It is an amenable number.

121441242344 is a deficient number, since it is larger than the sum of its proper divisors (106267318456).

121441242344 is a wasteful number, since it uses less digits than its factorization.

121441242344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415432 (or 415428 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 121441242344 its reverse (443242144121), we get a palindrome (564683386465).

The spelling of 121441242344 in words is "one hundred twenty-one billion, four hundred forty-one million, two hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 40487 80974 161948 323896 374939 749878 1499756 2999512 15180155293 30360310586 60720621172 121441242344