Search a number
-
+
1244240040430 = 25124424004043
BaseRepresentation
bin10010000110110010011…
…111000101000111101110
311101221121020011000111101
4102012302133011013232
5130341200422243210
62351332422113314
7155615266561522
oct22066237050756
94357536130441
101244240040430
1143a75207a282
1218118557b83a
139043cc2501a
1444315c91d82
1522573a60a3a
hex121b27c51ee

1244240040430 has 8 divisors (see below), whose sum is σ = 2239632072792. Its totient is φ = 497696016168.

The previous prime is 1244240040409. The next prime is 1244240040431. The reversal of 1244240040430 is 340400424421.

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 (1244240040431) 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, 62212002012 + ... + 62212002031.

It is an arithmetic number, because the mean of its divisors is an integer number (279954009099).

Almost surely, 21244240040430 is an apocalyptic number.

1244240040430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244240040430 is a deficient number, since it is larger than the sum of its proper divisors (995392032362).

1244240040430 is a wasteful number, since it uses less digits than its factorization.

1244240040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124424004050.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 1244240040430 its reverse (340400424421), we get a palindrome (1584640464851).

The spelling of 1244240040430 in words is "one trillion, two hundred forty-four billion, two hundred forty million, forty thousand, four hundred thirty".

Divisors: 1 2 5 10 124424004043 248848008086 622120020215 1244240040430