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3120223413 = 31040074471
BaseRepresentation
bin1011100111111010…
…1101010010110101
322001110020202212010
42321332231102311
522342234122123
61233341114433
7140215314156
oct27176552265
98043222763
103120223413
11136131503a
12730b58a19
133a9589058
1421857d92d
15133de0993
hexb9fad4b5

3120223413 has 4 divisors (see below), whose sum is σ = 4160297888. Its totient is φ = 2080148940.

The previous prime is 3120223411. The next prime is 3120223417. The reversal of 3120223413 is 3143220213.

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 3120223413 - 21 = 3120223411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3120223413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120223411) 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, 520037233 + ... + 520037238.

It is an arithmetic number, because the mean of its divisors is an integer number (1040074472).

Almost surely, 23120223413 is an apocalyptic number.

It is an amenable number.

3120223413 is a deficient number, since it is larger than the sum of its proper divisors (1040074475).

3120223413 is a wasteful number, since it uses less digits than its factorization.

3120223413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040074474.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3120223413 is about 55858.9600064305. The cubic root of 3120223413 is about 1461.2635919172.

Adding to 3120223413 its reverse (3143220213), we get a palindrome (6263443626).

It can be divided in two parts, 31202 and 23413, that added together give a triangular number (54615 = T330).

The spelling of 3120223413 in words is "three billion, one hundred twenty million, two hundred twenty-three thousand, four hundred thirteen".

Divisors: 1 3 1040074471 3120223413