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121024353344 = 2667132721269
BaseRepresentation
bin111000010110110011…
…1010001010001000000
3102120101101200011010012
41300231213101101000
53440324213301334
6131333043524052
711513045013206
oct1605547212100
9376341604105
10121024353344
1147365101a34
121b556989628
13b5494a02cb
145c013d3076
153234d979ce
hex1c2d9d1440

121024353344 has 56 divisors (see below), whose sum is σ = 243937292160. Its totient is φ = 59561289216.

The previous prime is 121024353323. The next prime is 121024353349. The reversal of 121024353344 is 443353420121.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 121024353344.

It is not an unprimeable number, because it can be changed into a prime (121024353349) 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, 5679542 + ... + 5700810.

Almost surely, 2121024353344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121024353344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121968646080).

121024353344 is an abundant number, since it is smaller than the sum of its proper divisors (122912938816).

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

121024353344 is a wasteful number, since it uses less digits than its factorization.

121024353344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22675 (or 22665 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 121024353344 its reverse (443353420121), we get a palindrome (564377773465).

The spelling of 121024353344 in words is "one hundred twenty-one billion, twenty-four million, three hundred fifty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 67 134 268 536 1072 1327 2144 2654 4288 5308 10616 21232 21269 42464 42538 84928 85076 88909 170152 177818 340304 355636 680608 711272 1361216 1422544 1425023 2845088 2850046 5690176 5700092 11400184 22800368 28223963 45600736 56447926 91201472 112895852 225791704 451583408 903166816 1806333632 1891005521 3782011042 7564022084 15128044168 30256088336 60512176672 121024353344