Search a number
-
+
121101323320020 = 223514711372097477
BaseRepresentation
bin11011100010010000011001…
…010110111011101011010100
3120212210011200102220102110210
4123202100121112323223110
5111333111002232220040
61105321102505445420
734336165454016441
oct3342203126735324
9525704612812423
10121101323320020
113564a867a0010a
12116ba2b81a0870
135275a62416534
1421c949a1a89c8
15e001cb3a1480
hex6e24195bbad4

121101323320020 has 48 divisors (see below), whose sum is σ = 339314217919488. Its totient is φ = 32271732635520.

The previous prime is 121101323320007. The next prime is 121101323320027. The reversal of 121101323320020 is 20023323101121.

121101323320020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101323320027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685960479 + ... + 686136998.

It is an arithmetic number, because the mean of its divisors is an integer number (7069046206656).

Almost surely, 2121101323320020 is an apocalyptic number.

121101323320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101323320020 is an abundant number, since it is smaller than the sum of its proper divisors (218212894599468).

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

121101323320020 is a wasteful number, since it uses less digits than its factorization.

121101323320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372098960 (or 1372098958 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121101323320020 its reverse (20023323101121), we get a palindrome (141124646421141).

The spelling of 121101323320020 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred twenty-three million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1471 2942 4413 5884 7355 8826 14710 17652 22065 29420 44130 88260 1372097477 2744194954 4116292431 5488389908 6860487385 8232584862 13720974770 16465169724 20581462155 27441949540 41162924310 82325848620 2018355388667 4036710777334 6055066166001 8073421554668 10091776943335 12110132332002 20183553886670 24220264664004 30275330830005 40367107773340 60550661660010 121101323320020