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1330021212303 = 372193831243337
BaseRepresentation
bin10011010110101011011…
…100010010000010001111
311201011000110120001102010
4103112223130102002033
5133242340412243203
62455000414232303
7165043110525600
oct23265334220217
94634013501363
101330021212303
11473071334353
121959254b5693
13985609a86a4
1448532755da7
15248e483e303
hex135ab71208f

1330021212303 has 48 divisors (see below), whose sum is σ = 2177134571520. Its totient is φ = 718130980224.

The previous prime is 1330021212293. The next prime is 1330021212323. The reversal of 1330021212303 is 3032121200331.

It is not a de Polignac number, because 1330021212303 - 26 = 1330021212239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1330021212303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330021212323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448051 + ... + 1691387.

It is an arithmetic number, because the mean of its divisors is an integer number (45356970240).

Almost surely, 21330021212303 is an apocalyptic number.

1330021212303 is a deficient number, since it is larger than the sum of its proper divisors (847113359217).

1330021212303 is a wasteful number, since it uses less digits than its factorization.

1330021212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243756 (or 1243749 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1330021212303 its reverse (3032121200331), we get a palindrome (4362142412634).

The spelling of 1330021212303 in words is "one trillion, three hundred thirty billion, twenty-one million, two hundred twelve thousand, three hundred three".

Divisors: 1 3 7 19 21 49 57 133 147 383 399 931 1149 2681 2793 7277 8043 18767 21831 50939 56301 152817 356573 1069719 1243337 3730011 8703359 23623403 26110077 60923513 70870209 165363821 182770539 476198071 496091463 1157546747 1428594213 3333386497 3472640241 9047763349 10000159491 23333705479 27143290047 63334343443 70001116437 190003030329 443340404101 1330021212303