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3115211213201 = 19992371657269
BaseRepresentation
bin101101010101010001000…
…011101100100110010001
3102000210220102111022102112
4231111101003230212101
5402014423032310301
610343035215355105
7441031560260663
oct55252103544621
912023812438375
103115211213201
11aa117657545a
124238b9b22a95
131979bc86a7c9
14aaac423c533
15560790b49bb
hex2d5510ec991

3115211213201 has 8 divisors (see below), whose sum is σ = 3118088880000. Its totient is φ = 3112334869680.

The previous prime is 3115211213189. The next prime is 3115211213209. The reversal of 3115211213201 is 1023121125113.

3115211213201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3115211213201 - 222 = 3115207018897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3115211213209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4410995 + ... + 5068263.

It is an arithmetic number, because the mean of its divisors is an integer number (389761110000).

Almost surely, 23115211213201 is an apocalyptic number.

It is an amenable number.

3115211213201 is a deficient number, since it is larger than the sum of its proper divisors (2877666799).

3115211213201 is a wasteful number, since it uses less digits than its factorization.

3115211213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661639.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 3115211213201 its reverse (1023121125113), we get a palindrome (4138332338314).

The spelling of 3115211213201 in words is "three trillion, one hundred fifteen billion, two hundred eleven million, two hundred thirteen thousand, two hundred one".

Divisors: 1 1999 2371 657269 4739629 1313880731 1558384799 3115211213201