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121341023208 = 23325928564271
BaseRepresentation
bin111000100000001111…
…1010001001111101000
3102121012110112122111200
41301000133101033220
53442001300220313
6131424315124200
711523641452026
oct1610037211750
9377173478450
10121341023208
1147507931769
121b624a43660
13b599c86822
145c314a5716
153252a9ab73
hex1c407d13e8

121341023208 has 48 divisors (see below), whose sum is σ = 334201982400. Its totient is φ = 39761463840.

The previous prime is 121341023207. The next prime is 121341023231. The reversal of 121341023208 is 802320143121.

121341023208 is a `hidden beast` number, since 1 + 2 + 13 + 410 + 232 + 0 + 8 = 666.

It is a super-2 number, since 2×1213410232082 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121341023207) 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 11 ways as a sum of consecutive naturals, for example, 14277888 + ... + 14286383.

It is an arithmetic number, because the mean of its divisors is an integer number (6962541300).

Almost surely, 2121341023208 is an apocalyptic number.

121341023208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121341023208 is an abundant number, since it is smaller than the sum of its proper divisors (212860959192).

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

121341023208 is a wasteful number, since it uses less digits than its factorization.

121341023208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28564342 (or 28564335 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 121341023208 its reverse (802320143121), we get a palindrome (923661166329).

The spelling of 121341023208 in words is "one hundred twenty-one billion, three hundred forty-one million, twenty-three thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 59 72 118 177 236 354 472 531 708 1062 1416 2124 4248 28564271 57128542 85692813 114257084 171385626 228514168 257078439 342771252 514156878 685542504 1028313756 1685291989 2056627512 3370583978 5055875967 6741167956 10111751934 13482335912 15167627901 20223503868 30335255802 40447007736 60670511604 121341023208