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121341450152 = 23132350728031
BaseRepresentation
bin111000100000010000…
…0111001011110101000
3102121012111100100011102
41301000200321132220
53442001402401102
6131424332220532
711523645210536
oct1610040713650
9377174310142
10121341450152
11475080a350a
121b62500a748
13b59a0a5c60
145c31577156
153252b32402
hex1c408397a8

121341450152 has 32 divisors (see below), whose sum is σ = 255669281280. Its totient is φ = 53568799680.

The previous prime is 121341450151. The next prime is 121341450157. The reversal of 121341450152 is 251054143121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121341450151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25361624 + ... + 25366407.

It is an arithmetic number, because the mean of its divisors is an integer number (7989665040).

Almost surely, 2121341450152 is an apocalyptic number.

It is an amenable number.

121341450152 is an abundant number, since it is smaller than the sum of its proper divisors (134327831128).

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

121341450152 is a wasteful number, since it uses less digits than its factorization.

121341450152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50728073 (or 50728069 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 121341450152 its reverse (251054143121), we get a palindrome (372395593273).

The spelling of 121341450152 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred fifty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 50728031 101456062 202912124 405824248 659464403 1166744713 1318928806 2333489426 2637857612 4666978852 5275715224 9333957704 15167681269 30335362538 60670725076 121341450152