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1432121213 = 13110932223
BaseRepresentation
bin101010101011100…
…0110111101111101
310200210210021222102
41111113012331331
510413110334323
6354035154445
750326554335
oct12527067575
93623707872
101432121213
11675438956
1233b745a25
1319a917103
14d82b40c5
1585adc328
hex555c6f7d

1432121213 has 4 divisors (see below), whose sum is σ = 1443053568. Its totient is φ = 1421188860.

The previous prime is 1432121209. The next prime is 1432121231. The reversal of 1432121213 is 3121212341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1432121213 - 22 = 1432121209 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 (1432121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5465981 + ... + 5466242.

It is an arithmetic number, because the mean of its divisors is an integer number (360763392).

Almost surely, 21432121213 is an apocalyptic number.

It is an amenable number.

1432121213 is a deficient number, since it is larger than the sum of its proper divisors (10932355).

1432121213 is a wasteful number, since it uses less digits than its factorization.

1432121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932354.

The product of its digits is 288, while the sum is 20.

The square root of 1432121213 is about 37843.3773994870. The cubic root of 1432121213 is about 1127.1799608537.

Adding to 1432121213 its reverse (3121212341), we get a palindrome (4553333554).

The spelling of 1432121213 in words is "one billion, four hundred thirty-two million, one hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 131 10932223 1432121213