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1230201329 = 7735694231
BaseRepresentation
bin100100101010011…
…0110000111110001
310011201211200222012
41021110312013301
510004412420304
6322023252305
742325352540
oct11124660761
93151750865
101230201329
11581464515
122a3baa095
13167b39ca6
14b9552157
157300416e
hex495361f1

1230201329 has 16 divisors (see below), whose sum is σ = 1428046080. Its totient is φ = 1037940480.

The previous prime is 1230201317. The next prime is 1230201331. The reversal of 1230201329 is 9231020321.

It is a cyclic number.

It is not a de Polignac number, because 1230201329 - 212 = 1230197233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230201029) 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, 288644 + ... + 292874.

It is an arithmetic number, because the mean of its divisors is an integer number (89252880).

Almost surely, 21230201329 is an apocalyptic number.

It is an amenable number.

1230201329 is a deficient number, since it is larger than the sum of its proper divisors (197844751).

1230201329 is an equidigital number, since it uses as much as digits as its factorization.

1230201329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1230201329 is about 35074.2259928854. The cubic root of 1230201329 is about 1071.4997250921.

The spelling of 1230201329 in words is "one billion, two hundred thirty million, two hundred one thousand, three hundred twenty-nine".

Divisors: 1 7 73 511 569 3983 4231 29617 41537 290759 308863 2162041 2407439 16852073 175743047 1230201329