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121302321310 = 25231134667269
BaseRepresentation
bin111000011111000101…
…1101000100010011110
3102121002202201101111001
41300332023220202132
53441411343240220
6131420413420514
711522661501352
oct1607613504236
9377082641431
10121302321310
1147497aa8425
121b613a9a73a
13b591c55ab1
145c2a2ad462
15324e4a380a
hex1c3e2e889e

121302321310 has 32 divisors (see below), whose sum is σ = 229853712960. Its totient is φ = 46000593408.

The previous prime is 121302321289. The next prime is 121302321337. The reversal of 121302321310 is 13123203121.

It is a super-2 number, since 2×1213023213102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307645 + ... + 2359624.

It is an arithmetic number, because the mean of its divisors is an integer number (7182928530).

Almost surely, 2121302321310 is an apocalyptic number.

121302321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302321310 is a deficient number, since it is larger than the sum of its proper divisors (108551391650).

121302321310 is a wasteful number, since it uses less digits than its factorization.

121302321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667412.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121302321310 its reverse (13123203121), we get a palindrome (134425524431).

The spelling of 121302321310 in words is "one hundred twenty-one billion, three hundred two million, three hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 23 46 113 115 226 230 565 1130 2599 5198 12995 25990 4667269 9334538 23336345 46672690 107347187 214694374 527401397 536735935 1054802794 1073471870 2637006985 5274013970 12130232131 24260464262 60651160655 121302321310