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121233196080 = 243251373833209
BaseRepresentation
bin111000011101000001…
…1111100010000110000
3102120220221122110111100
41300322003330100300
53441241144233310
6131405504044400
711521162110153
oct1607203742060
9376827573440
10121233196080
1147461a84637
121b5b4903700
13b5808324a9
145c21037c9a
15324839bec0
hex1c3a0fc430

121233196080 has 240 divisors, whose sum is σ = 411312245760. Its totient is φ = 31999107072.

The previous prime is 121233196069. The next prime is 121233196081. The reversal of 121233196080 is 80691332121.

121233196080 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 33 + 19 + 608 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (121233196081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37777516 + ... + 37780724.

It is an arithmetic number, because the mean of its divisors is an integer number (1713801024).

Almost surely, 2121233196080 is an apocalyptic number.

121233196080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121233196080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205656122880).

121233196080 is an abundant number, since it is smaller than the sum of its proper divisors (290079049680).

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

121233196080 is a wasteful number, since it uses less digits than its factorization.

121233196080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 121233196080 in words is "one hundred twenty-one billion, two hundred thirty-three million, one hundred ninety-six thousand, eighty".