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121130322245 = 5241341329453
BaseRepresentation
bin111000011001111101…
…1100000100101000101
3102120122210001221010022
41300303323200211011
53441033330302440
6131351351104525
711515502515352
oct1606373404505
9376583057108
10121130322245
11474099aaa39
121b586372145
13b5654238ba
145c114d9629
15323e32acb5
hex1c33ee0945

121130322245 has 16 divisors (see below), whose sum is σ = 146007248112. Its totient is φ = 96470615040.

The previous prime is 121130322239. The next prime is 121130322263. The reversal of 121130322245 is 542223031121.

It can be written as a sum of positive squares in 8 ways, for example, as 12377452516 + 108752869729 = 111254^2 + 329777^2 .

It is not a de Polignac number, because 121130322245 - 230 = 120056580421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4097939 + ... + 4127391.

It is an arithmetic number, because the mean of its divisors is an integer number (9125453007).

Almost surely, 2121130322245 is an apocalyptic number.

It is an amenable number.

121130322245 is a deficient number, since it is larger than the sum of its proper divisors (24876925867).

121130322245 is a wasteful number, since it uses less digits than its factorization.

121130322245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33112.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 121130322245 its reverse (542223031121), we get a palindrome (663353353366).

The spelling of 121130322245 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred twenty-two thousand, two hundred forty-five".

Divisors: 1 5 241 1205 3413 17065 29453 147265 822533 4112665 7098173 35490865 100523089 502615445 24226064449 121130322245