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228907252129 = 2325738725639
BaseRepresentation
bin1101010100101111101…
…1110111100110100001
3210212211221101020121011
43111023323313212201
512222300224032004
6253054124500521
722352351353003
oct3251373674641
9725757336534
10228907252129
11890961a3616
12384446aa741
13187801a24aa
14b117358373
155e4b19b004
hex354bef79a1

228907252129 has 8 divisors (see below), whose sum is σ = 239789162880. Its totient is φ = 218102793216.

The previous prime is 228907252073. The next prime is 228907252181. The reversal of 228907252129 is 921252709822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228907252129 - 217 = 228907121057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228907252529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19356909 + ... + 19368730.

It is an arithmetic number, because the mean of its divisors is an integer number (29973645360).

Almost surely, 2228907252129 is an apocalyptic number.

It is an amenable number.

228907252129 is a deficient number, since it is larger than the sum of its proper divisors (10881910751).

228907252129 is a wasteful number, since it uses less digits than its factorization.

228907252129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38725919.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 228907252129 in words is "two hundred twenty-eight billion, nine hundred seven million, two hundred fifty-two thousand, one hundred twenty-nine".

Divisors: 1 23 257 5911 38725639 890689697 9952489223 228907252129