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121300192 = 25131012887
BaseRepresentation
bin1110011101011…
…10010011100000
322110020200120201
413032232103200
5222023101232
620011514544
73002014606
oct716562340
9273220521
10121300192
116251a6a2
1234758a54
131c190980
1412177876
15a9b0be7
hex73ae4e0

121300192 has 48 divisors (see below), whose sum is σ = 259816032. Its totient is φ = 55411200.

The previous prime is 121300159. The next prime is 121300261. The reversal of 121300192 is 291003121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40573 + ... + 43459.

It is an arithmetic number, because the mean of its divisors is an integer number (5412834).

Almost surely, 2121300192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121300192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129908016).

121300192 is an abundant number, since it is smaller than the sum of its proper divisors (138515840).

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

121300192 is a wasteful number, since it uses less digits than its factorization.

121300192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 121300192 is about 11013.6366382771. The cubic root of 121300192 is about 495.0174357019.

The spelling of 121300192 in words is "one hundred twenty-one million, three hundred thousand, one hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 101 104 202 208 404 416 808 1313 1616 2626 2887 3232 5252 5774 10504 11548 21008 23096 37531 42016 46192 75062 92384 150124 291587 300248 583174 600496 1166348 1200992 2332696 3790631 4665392 7581262 9330784 15162524 30325048 60650096 121300192