Search a number
-
+
30203020231013 = 74499609615091
BaseRepresentation
bin1101101111000001100000…
…10010101100000101100101
310221221101021102002002001102
412313200300102230011211
512424321241134343023
6144123024223205445
76235044666026360
oct667406022540545
9127841242062042
1030203020231013
119695035590543
12347966a446885
1313b11953a7266
14765b9661d0d7
153759b348b628
hex1b78304ac165

30203020231013 has 8 divisors (see below), whose sum is σ = 34594614331200. Its totient is φ = 25830645361920.

The previous prime is 30203020230953. The next prime is 30203020231039. The reversal of 30203020231013 is 31013202030203.

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

It is not a de Polignac number, because 30203020231013 - 220 = 30203019182437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203020231093) 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, 4804804403 + ... + 4804810688.

It is an arithmetic number, because the mean of its divisors is an integer number (4324326791400).

Almost surely, 230203020231013 is an apocalyptic number.

It is an amenable number.

30203020231013 is a deficient number, since it is larger than the sum of its proper divisors (4391594100187).

30203020231013 is an equidigital number, since it uses as much as digits as its factorization.

30203020231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609615547.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30203020231013 its reverse (31013202030203), we get a palindrome (61216222261216).

The spelling of 30203020231013 in words is "thirty trillion, two hundred three billion, twenty million, two hundred thirty-one thousand, thirteen".

Divisors: 1 7 449 3143 9609615091 67267305637 4314717175859 30203020231013