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121470019200 = 2733529771439
BaseRepresentation
bin111000100100000101…
…1010110011010000000
3102121112110021022202000
41301020023112122000
53442232311103300
6131445204024000
711530066061445
oct1611013263200
9377473238660
10121470019200
1147573728322
121b660092000
13b5ba91030a
145c446839cc
15325e07bc00
hex1c482d6680

121470019200 has 384 divisors, whose sum is σ = 445310784000. Its totient is φ = 32336363520.

The previous prime is 121470019189. The next prime is 121470019201. The reversal of 121470019200 is 2910074121.

121470019200 is a `hidden beast` number, since 1 + 2 + 1 + 470 + 0 + 192 + 0 + 0 = 666.

121470019200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121470019201) 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, 84412081 + ... + 84413519.

It is an arithmetic number, because the mean of its divisors is an integer number (1159663500).

Almost surely, 2121470019200 is an apocalyptic number.

121470019200 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 121470019200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222655392000).

121470019200 is an abundant number, since it is smaller than the sum of its proper divisors (323840764800).

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

121470019200 is a wasteful number, since it uses less digits than its factorization.

121470019200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 121470019200 in words is "one hundred twenty-one billion, four hundred seventy million, nineteen thousand, two hundred".