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1230030001213 = 1394617692401
BaseRepresentation
bin10001111001100011100…
…000000101010000111101
311100120220220110020021121
4101321203200011100331
5130123100140014323
62341022403430541
7154603201333666
oct21714340052075
94316826406247
101230030001213
1143471a961512
1217a47a685451
138bcb6c554b0
144376894236d
1521ee128da5d
hex11e6380543d

1230030001213 has 4 divisors (see below), whose sum is σ = 1324647693628. Its totient is φ = 1135412308800.

The previous prime is 1230030001177. The next prime is 1230030001237. The reversal of 1230030001213 is 3121000300321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 848825014489 + 381204986724 = 921317^2 + 617418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230030001213 - 225 = 1229996446781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230030004213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47308846188 + ... + 47308846213.

It is an arithmetic number, because the mean of its divisors is an integer number (331161923407).

Almost surely, 21230030001213 is an apocalyptic number.

1230030001213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230030001213 is a deficient number, since it is larger than the sum of its proper divisors (94617692415).

1230030001213 is an equidigital number, since it uses as much as digits as its factorization.

1230030001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94617692414.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1230030001213 its reverse (3121000300321), we get a palindrome (4351030301534).

The spelling of 1230030001213 in words is "one trillion, two hundred thirty billion, thirty million, one thousand, two hundred thirteen".

Divisors: 1 13 94617692401 1230030001213