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29339236369 = 157210912
BaseRepresentation
bin11011010100110000…
…010011100000010001
32210201200221122002001
4123110300103200101
5440041321030434
621251145354001
72056024252162
oct332460234021
983650848061
1029339236369
1111496263593
125829798901
1329c7512ac1
1415c47a5769
15b6ab07114
hex6d4c13811

29339236369 has 9 divisors (see below), whose sum is σ = 29554390011. Its totient is φ = 29125641480.

The previous prime is 29339236309. The next prime is 29339236391. The reversal of 29339236369 is 96363293392.

The square root of 29339236369 is 171287.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8599780225 + 20739456144 = 92735^2 + 144012^2 .

It is not a de Polignac number, because 29339236369 - 215 = 29339203601 is a prime.

It is a super-2 number, since 2×293392363692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29339236309) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26891514 + ... + 26892604.

Almost surely, 229339236369 is an apocalyptic number.

29339236369 is the 171287-th square number.

29339236369 is the 85644-th centered octagonal number.

It is an amenable number.

29339236369 is a deficient number, since it is larger than the sum of its proper divisors (215153642).

29339236369 is an frugal number, since it uses more digits than its factorization.

29339236369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 1248 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 55.

The spelling of 29339236369 in words is "twenty-nine billion, three hundred thirty-nine million, two hundred thirty-six thousand, three hundred sixty-nine".

Divisors: 1 157 1091 24649 171287 1190281 26892059 186874117 29339236369