Search a number
-
+
1444234440121 = 11472793490213
BaseRepresentation
bin10101000001000011000…
…101001010110110111001
312010001211011220011210221
4111001003011022312321
5142130243004040441
63023245552140041
7206225322122224
oct25010305126671
95101734804727
101444234440121
11507550765920
121b3a9b237621
13a62630330b5
144dc893165bb
152787b77a8d1
hex1504314adb9

1444234440121 has 8 divisors (see below), whose sum is σ = 1609050363264. Its totient is φ = 1285005497520.

The previous prime is 1444234440073. The next prime is 1444234440137. The reversal of 1444234440121 is 1210444324441.

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 1444234440121 - 213 = 1444234431929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444234440421) 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, 1396744590 + ... + 1396745623.

It is an arithmetic number, because the mean of its divisors is an integer number (201131295408).

Almost surely, 21444234440121 is an apocalyptic number.

1444234440121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444234440121 is a deficient number, since it is larger than the sum of its proper divisors (164815923143).

1444234440121 is a wasteful number, since it uses less digits than its factorization.

1444234440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793490271.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 1444234440121 its reverse (1210444324441), we get a palindrome (2654678764562).

The spelling of 1444234440121 in words is "one trillion, four hundred forty-four billion, two hundred thirty-four million, four hundred forty thousand, one hundred twenty-one".

Divisors: 1 11 47 517 2793490213 30728392343 131294040011 1444234440121