Search a number
-
+
1313123054 = 21135810279
BaseRepresentation
bin100111001000100…
…1010101011101110
310101111212120012012
41032101022223232
510142124414204
6334144441222
744353235045
oct11621125356
93344776165
101313123054
11614250871
12307919212
1317c0811b9
14c657955c
157a43376e
hex4e44aaee

1313123054 has 8 divisors (see below), whose sum is σ = 1987115760. Its totient is φ = 650751136.

The previous prime is 1313123039. The next prime is 1313123059. The reversal of 1313123054 is 4503213131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313123059) 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, 2904914 + ... + 2905365.

It is an arithmetic number, because the mean of its divisors is an integer number (248389470).

Almost surely, 21313123054 is an apocalyptic number.

1313123054 is a deficient number, since it is larger than the sum of its proper divisors (673992706).

1313123054 is a wasteful number, since it uses less digits than its factorization.

1313123054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810394.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1313123054 is about 36237.0398073573. The cubic root of 1313123054 is about 1095.0530068931.

Adding to 1313123054 its reverse (4503213131), we get a palindrome (5816336185).

The spelling of 1313123054 in words is "one billion, three hundred thirteen million, one hundred twenty-three thousand, fifty-four".

Divisors: 1 2 113 226 5810279 11620558 656561527 1313123054