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1332021213 = 331719714731
BaseRepresentation
bin100111101100101…
…0000011111011101
310102211102200121000
41033121100133131
510211444134323
6340101500513
745002664525
oct11731203735
93384380530
101332021213
11623989286
12312111739
13182c69c43
14c8c98685
157be17e43
hex4f6507dd

1332021213 has 32 divisors (see below), whose sum is σ = 2100193920. Its totient is φ = 831479040.

The previous prime is 1332021211. The next prime is 1332021217. The reversal of 1332021213 is 3121202331.

It is not a de Polignac number, because 1332021213 - 21 = 1332021211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332021211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83058 + ... + 97788.

It is an arithmetic number, because the mean of its divisors is an integer number (65631060).

Almost surely, 21332021213 is an apocalyptic number.

It is an amenable number.

1332021213 is a deficient number, since it is larger than the sum of its proper divisors (768172707).

1332021213 is a wasteful number, since it uses less digits than its factorization.

1332021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14954 (or 14948 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1332021213 is about 36496.8657969421. The cubic root of 1332021213 is about 1100.2812539766.

Adding to 1332021213 its reverse (3121202331), we get a palindrome (4453223544).

The spelling of 1332021213 in words is "one billion, three hundred thirty-two million, twenty-one thousand, two hundred thirteen".

Divisors: 1 3 9 17 27 51 153 197 459 591 1773 3349 5319 10047 14731 30141 44193 90423 132579 250427 397737 751281 2253843 2902007 6761529 8706021 26118063 49334119 78354189 148002357 444007071 1332021213