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4120212361 = 172393101281
BaseRepresentation
bin1111010110010101…
…0111001110001001
3101122010220110210211
43311211113032021
531414233243421
61520502241121
7204050140636
oct36545271611
911563813724
104120212361
111824830591
1296ba261a1
135087c11a5
142b12c718d
15191abd9e1
hexf5957389

4120212361 has 8 divisors (see below), whose sum is σ = 4364443944. Its totient is φ = 3876188160.

The previous prime is 4120212353. The next prime is 4120212389. The reversal of 4120212361 is 1632120214.

It can be written as a sum of positive squares in 4 ways, for example, as 44156025 + 4076056336 = 6645^2 + 63844^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4120212361 - 23 = 4120212353 is a prime.

It is a super-2 number, since 2×41202123612 = 33952299799474388642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120212311) 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, 9960 + ... + 91321.

It is an arithmetic number, because the mean of its divisors is an integer number (545555493).

Almost surely, 24120212361 is an apocalyptic number.

It is an amenable number.

4120212361 is a deficient number, since it is larger than the sum of its proper divisors (244231583).

4120212361 is a wasteful number, since it uses less digits than its factorization.

4120212361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103691.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4120212361 is about 64188.8803532201. The cubic root of 4120212361 is about 1603.1464594862.

Adding to 4120212361 its reverse (1632120214), we get a palindrome (5752332575).

The spelling of 4120212361 in words is "four billion, one hundred twenty million, two hundred twelve thousand, three hundred sixty-one".

Divisors: 1 17 2393 40681 101281 1721777 242365433 4120212361