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29225484257 = 291710019021
BaseRepresentation
bin11011001101111110…
…010111111111100001
32210102202220102111212
4123031332113333201
5434323210444012
621232003315505
72053143342314
oct331576277741
983382812455
1029225484257
1111438029982
1257b767bb95
1329a9a95968
1415b363497b
15b60b37b22
hex6cdf97fe1

29225484257 has 4 divisors (see below), whose sum is σ = 29235506196. Its totient is φ = 29215462320.

The previous prime is 29225484247. The next prime is 29225484293. The reversal of 29225484257 is 75248452292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28006357201 + 1219127056 = 167351^2 + 34916^2 .

It is a cyclic number.

It is not a de Polignac number, because 29225484257 - 210 = 29225483233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29225484247) 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, 5006594 + ... + 5012427.

It is an arithmetic number, because the mean of its divisors is an integer number (7308876549).

Almost surely, 229225484257 is an apocalyptic number.

It is an amenable number.

29225484257 is a deficient number, since it is larger than the sum of its proper divisors (10021939).

29225484257 is a wasteful number, since it uses less digits than its factorization.

29225484257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021938.

The product of its digits is 3225600, while the sum is 50.

The spelling of 29225484257 in words is "twenty-nine billion, two hundred twenty-five million, four hundred eighty-four thousand, two hundred fifty-seven".

Divisors: 1 2917 10019021 29225484257