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13021213342 = 21719129715541
BaseRepresentation
bin11000010000001111…
…11111001010011110
31020121110201011200211
430020013333022132
5203131412311332
65552025443034
7640451326054
oct141007771236
936543634624
1013021213342
115582154345
12263494047a
1312c68bb487
148b74cc1d4
15513242447
hex3081ff29e

13021213342 has 32 divisors (see below), whose sum is σ = 21787397280. Its totient is φ = 5800273920.

The previous prime is 13021213333. The next prime is 13021213343. The reversal of 13021213342 is 24331212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021213343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830092 + ... + 845632.

It is an arithmetic number, because the mean of its divisors is an integer number (680856165).

Almost surely, 213021213342 is an apocalyptic number.

13021213342 is a deficient number, since it is larger than the sum of its proper divisors (8766183938).

13021213342 is a wasteful number, since it uses less digits than its factorization.

13021213342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13021213342 its reverse (24331212031), we get a palindrome (37352425373).

The spelling of 13021213342 in words is "thirteen billion, twenty-one million, two hundred thirteen thousand, three hundred forty-two".

Divisors: 1 2 17 19 34 38 323 646 1297 2594 15541 22049 24643 31082 44098 49286 264197 295279 418931 528394 590558 837862 5019743 10039486 20156677 40313354 342663509 382976863 685327018 765953726 6510606671 13021213342