Search a number
-
+
1330243133021 = 11254072033243
BaseRepresentation
bin10011010110111000101…
…010110101111001011101
311201011120221010210101222
4103112320222311321131
5133243314220224041
62455034422543125
7165051444032015
oct23267052657135
94634527123358
101330243133021
11473175629700
12195987897aa5
139859796941a
1448554002c45
152490907874b
hex135b8ab5e5d

1330243133021 has 12 divisors (see below), whose sum is σ = 1462439212416. Its totient is φ = 1209087687720.

The previous prime is 1330243132993. The next prime is 1330243133039. The reversal of 1330243133021 is 1203313420331.

It is not a de Polignac number, because 1330243133021 - 230 = 1329169391197 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 (1330243133041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362375 + ... + 1670868.

It is an arithmetic number, because the mean of its divisors is an integer number (121869934368).

Almost surely, 21330243133021 is an apocalyptic number.

1330243133021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1330243133021 is a deficient number, since it is larger than the sum of its proper divisors (132196079395).

1330243133021 is a wasteful number, since it uses less digits than its factorization.

1330243133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038672 (or 2038661 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1330243133021 its reverse (1203313420331), we get a palindrome (2533556553352).

The spelling of 1330243133021 in words is "one trillion, three hundred thirty billion, two hundred forty-three million, one hundred thirty-three thousand, twenty-one".

Divisors: 1 11 121 5407 59477 654247 2033243 22365673 246022403 10993744901 120931193911 1330243133021