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121022254080 = 21032573131931
BaseRepresentation
bin111000010110101111…
…1010000110000000000
3102120101020201111110200
41300231133100300000
53440323144112310
6131332530525200
711513021121000
oct1605537206000
9376336644420
10121022254080
11473639a8802
121b556136800
13b548c16940
145c01008000
153234ad09c0
hex1c2d7d0c00

121022254080 has 2112 divisors, whose sum is σ = 572242944000. Its totient is φ = 23410114560.

The previous prime is 121022254079. The next prime is 121022254117. The reversal of 121022254080 is 80452220121.

121022254080 is a `hidden beast` number, since 1 + 21 + 0 + 2 + 22 + 540 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3903943665 + ... + 3903943695.

Almost surely, 2121022254080 is an apocalyptic number.

121022254080 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 121022254080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286121472000).

121022254080 is an abundant number, since it is smaller than the sum of its proper divisors (451220689920).

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

121022254080 is a wasteful number, since it uses less digits than its factorization.

121022254080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 121022254080 in words is "one hundred twenty-one billion, twenty-two million, two hundred fifty-four thousand, eighty".