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121707060 = 22353773751
BaseRepresentation
bin1110100000100…
…01101000110100
322111000100200220
413100101220310
5222124111220
620024334340
73005331036
oct720215064
9274010626
10121707060
1162778352
12349143b0
131c2a3c17
1412241c56
15aa41540
hex7411a34

121707060 has 96 divisors (see below), whose sum is σ = 355256832. Its totient is φ = 31104000.

The previous prime is 121707049. The next prime is 121707067. The reversal of 121707060 is 60707121.

It is a self number, because there is not a number n which added to its sum of digits gives 121707060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121707067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161685 + ... + 162435.

It is an arithmetic number, because the mean of its divisors is an integer number (3700592).

Almost surely, 2121707060 is an apocalyptic number.

121707060 is a gapful number since it is divisible by the number (10) 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 121707060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177628416).

121707060 is an abundant number, since it is smaller than the sum of its proper divisors (233549772).

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

121707060 is a wasteful number, since it uses less digits than its factorization.

121707060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 121707060 is about 11032.0922766264. The cubic root of 121707060 is about 495.5702844694.

The spelling of 121707060 in words is "one hundred twenty-one million, seven hundred seven thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 73 74 111 146 148 185 219 222 292 365 370 438 444 555 730 740 751 876 1095 1110 1460 1502 2190 2220 2253 2701 3004 3755 4380 4506 5402 7510 8103 9012 10804 11265 13505 15020 16206 22530 27010 27787 32412 40515 45060 54020 54823 55574 81030 83361 109646 111148 138935 162060 164469 166722 219292 274115 277870 328938 333444 416805 548230 555740 657876 822345 833610 1096460 1644690 1667220 2028451 3289380 4056902 6085353 8113804 10142255 12170706 20284510 24341412 30426765 40569020 60853530 121707060