Search a number
-
+
1234131223013 = 13223425709287
BaseRepresentation
bin10001111101010111111…
…101000000000111100101
311100222111201121212221022
4101331113331000013211
5130210000043114023
62342541351100525
7155106631211603
oct21752775000745
94328451555838
101234131223013
114364349a1117
1217b224071745
138c4bb827860
1443a374c4873
152218135a7c8
hex11f57f401e5

1234131223013 has 8 divisors (see below), whose sum is σ = 1335024327168. Its totient is φ = 1134089537904.

The previous prime is 1234131223009. The next prime is 1234131223069. The reversal of 1234131223013 is 3103221314321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1234131223013 - 22 = 1234131223009 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 (1234131223093) 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, 212851745 + ... + 212857542.

It is an arithmetic number, because the mean of its divisors is an integer number (166878040896).

Almost surely, 21234131223013 is an apocalyptic number.

1234131223013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1234131223013 is a deficient number, since it is larger than the sum of its proper divisors (100893104155).

1234131223013 is a wasteful number, since it uses less digits than its factorization.

1234131223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425709523.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1234131223013 its reverse (3103221314321), we get a palindrome (4337352537334).

The spelling of 1234131223013 in words is "one trillion, two hundred thirty-four billion, one hundred thirty-one million, two hundred twenty-three thousand, thirteen".

Divisors: 1 13 223 2899 425709287 5534220731 94933171001 1234131223013