Search a number
-
+
121775234084 = 22743101142221
BaseRepresentation
bin111000101101001011…
…1101001110000100100
3102122022201120211211222
41301122113221300210
53443343424442314
6131535345515512
711540463260660
oct1613227516044
9378281524758
10121775234084
114770aa43829
121b726342b98
13b638c1593a
145c730138a0
15327ac6ac8e
hex1c5a5e9c24

121775234084 has 24 divisors (see below), whose sum is σ = 249214435008. Its totient is φ = 50975678880.

The previous prime is 121775234081. The next prime is 121775234089. The reversal of 121775234084 is 480432577121.

It is not an unprimeable number, because it can be changed into a prime (121775234081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50569907 + ... + 50572314.

It is an arithmetic number, because the mean of its divisors is an integer number (10383934792).

Almost surely, 2121775234084 is an apocalyptic number.

121775234084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121775234084 is an abundant number, since it is smaller than the sum of its proper divisors (127439200924).

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

121775234084 is a wasteful number, since it uses less digits than its factorization.

121775234084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101142275 (or 101142273 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 121775234084 in words is "one hundred twenty-one billion, seven hundred seventy-five million, two hundred thirty-four thousand, eighty-four".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 101142221 202284442 404568884 707995547 1415991094 2831982188 4349115503 8698231006 17396462012 30443808521 60887617042 121775234084