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121144331241024 = 26371360132713527
BaseRepresentation
bin11011100010111000011100…
…110101001000011001000000
3120212221021200201220011212220
4123202320130311020121000
5111334312042244203044
61105352534254451040
734342250314223310
oct3342703465103100
9525837621804786
10121144331241024
1135667027839783
12117066bb503a80
135279b276c47c0
1421cb5ba041440
15e01396e94019
hex6e2e1cd48640

121144331241024 has 448 divisors, whose sum is σ = 395384916713472. Its totient is φ = 31878199296000.

The previous prime is 121144331240983. The next prime is 121144331241029. The reversal of 121144331241024 is 420142133441121.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-3 number, since 3×1211443312410243 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121144331241029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34347696349 + ... + 34347699875.

It is an arithmetic number, because the mean of its divisors is an integer number (882555617664).

Almost surely, 2121144331241024 is an apocalyptic number.

121144331241024 is a gapful number since it is divisible by the number (14) 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 121144331241024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197692458356736).

121144331241024 is an abundant number, since it is smaller than the sum of its proper divisors (274240585472448).

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

121144331241024 is a wasteful number, since it uses less digits than its factorization.

121144331241024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434 (or 7424 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 121144331241024 its reverse (420142133441121), we get a palindrome (541286464682145).

The spelling of 121144331241024 in words is "one hundred twenty-one trillion, one hundred forty-four billion, three hundred thirty-one million, two hundred forty-one thousand, twenty-four".