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120000100424321 = 1372971265009861
BaseRepresentation
bin11011010010001110110011…
…010110111101101010000001
3120201212220020022202010012202
4123102032303112331222001
5111212040201202034241
61103115141325202545
734163502232604345
oct3322166326755201
9521786208663182
10120000100424321
1135265836325517
12115609a6a00455
1351c5c6518b650
14218c070531625
15dd1728390d9b
hex6d23b35bda81

120000100424321 has 8 divisors (see below), whose sum is σ = 129248587620264. Its totient is φ = 110754143262720.

The previous prime is 120000100424311. The next prime is 120000100424341. The reversal of 120000100424321 is 123424001000021.

It can be written as a sum of positive squares in 4 ways, for example, as 3798168334321 + 116201932090000 = 1948889^2 + 10779700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120000100424321 is a prime.

It is a super-2 number, since 2×1200001004243212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120000100424293 and 120000100424302.

It is not an unprimeable number, because it can be changed into a prime (120000100424311) 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, 632410070 + ... + 632599791.

It is an arithmetic number, because the mean of its divisors is an integer number (16156073452533).

Almost surely, 2120000100424321 is an apocalyptic number.

It is an amenable number.

120000100424321 is a deficient number, since it is larger than the sum of its proper divisors (9248487195943).

120000100424321 is a wasteful number, since it uses less digits than its factorization.

120000100424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265017171.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120000100424321 its reverse (123424001000021), we get a palindrome (243424101424342).

The spelling of 120000100424321 in words is "one hundred twenty trillion, one hundred million, four hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 13 7297 94861 1265009861 16445128193 9230776955717 120000100424321