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121350245 = 51910911719
BaseRepresentation
bin1110011101110…
…10100001100101
322110100020020112
413032322201211
5222031201440
620012542405
73002313542
oct716724145
9273306215
10121350245
1162554265
1234781a05
131c1aa6a3
141218bbc9
15a9c0965
hex73ba865

121350245 has 16 divisors (see below), whose sum is σ = 154704000. Its totient is φ = 91119168.

The previous prime is 121350223. The next prime is 121350253. The reversal of 121350245 is 542053121.

121350245 = 14312 + 14322 + ... + 14872.

It is a cyclic number.

It is not a de Polignac number, because 121350245 - 226 = 54241381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121350245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4496 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (9669000).

Almost surely, 2121350245 is an apocalyptic number.

It is an amenable number.

121350245 is a deficient number, since it is larger than the sum of its proper divisors (33353755).

121350245 is a wasteful number, since it uses less digits than its factorization.

121350245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 121350245 is about 11015.9087232965. The cubic root of 121350245 is about 495.0855139137.

The spelling of 121350245 in words is "one hundred twenty-one million, three hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 19 95 109 545 2071 10355 11719 58595 222661 1113305 1277371 6386855 24270049 121350245