Search a number
-
+
30203113220013 = 310067704406671
BaseRepresentation
bin1101101111000001101011…
…10101011010011110101101
310221221101111220001101222110
412313200311311122132231
512424321433441020023
6144123041344234233
76235050205311336
oct667406565323655
9127841456041873
1030203113220013
119695083023558
12347969560b979
1313b11ab734836
14765ba4b0728d
153759bb708a93
hex1b7835d5a7ad

30203113220013 has 4 divisors (see below), whose sum is σ = 40270817626688. Its totient is φ = 20135408813340.

The previous prime is 30203113220003. The next prime is 30203113220041. The reversal of 30203113220013 is 31002231130203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30203113220013 - 28 = 30203113219757 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 (30203113220003) 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, 5033852203333 + ... + 5033852203338.

It is an arithmetic number, because the mean of its divisors is an integer number (10067704406672).

Almost surely, 230203113220013 is an apocalyptic number.

It is an amenable number.

30203113220013 is a deficient number, since it is larger than the sum of its proper divisors (10067704406675).

30203113220013 is a wasteful number, since it uses less digits than its factorization.

30203113220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067704406674.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30203113220013 its reverse (31002231130203), we get a palindrome (61205344350216).

The spelling of 30203113220013 in words is "thirty trillion, two hundred three billion, one hundred thirteen million, two hundred twenty thousand, thirteen".

Divisors: 1 3 10067704406671 30203113220013