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121741308 = 223213594409
BaseRepresentation
bin1110100000110…
…01111111111100
322111002002200100
413100121333330
5222131210213
620025201100
73005532633
oct720317774
9274062610
10121741308
11627a1057
1234930190
131c2b66a0
141225051a
15aa4b773
hex7419ffc

121741308 has 72 divisors (see below), whose sum is σ = 337100400. Its totient is φ = 36815616.

The previous prime is 121741289. The next prime is 121741331. The reversal of 121741308 is 803147121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25408 + ... + 29816.

It is an arithmetic number, because the mean of its divisors is an integer number (4681950).

Almost surely, 2121741308 is an apocalyptic number.

121741308 is a gapful number since it is divisible by the number (18) 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 121741308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168550200).

121741308 is an abundant number, since it is smaller than the sum of its proper divisors (215359092).

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

121741308 is a wasteful number, since it uses less digits than its factorization.

121741308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121741308 is about 11033.6443662101. The cubic root of 121741308 is about 495.6167641049.

Adding to 121741308 its reverse (803147121), we get a palindrome (924888429).

The spelling of 121741308 in words is "one hundred twenty-one million, seven hundred forty-one thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 59 78 117 118 156 177 234 236 354 468 531 708 767 1062 1534 2124 2301 3068 4409 4602 6903 8818 9204 13227 13806 17636 26454 27612 39681 52908 57317 79362 114634 158724 171951 229268 260131 343902 515853 520262 687804 780393 1031706 1040524 1560786 2063412 2341179 3121572 3381703 4682358 6763406 9364716 10145109 13526812 20290218 30435327 40580436 60870654 121741308