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28668300041 = 173626326459
BaseRepresentation
bin11010101100110000…
…111000101100001001
32201222221110112110102
4122230300320230021
5432203041100131
621100421055145
72033266346453
oct325460705411
981887415412
1028668300041
1111181565157
125680b574b5
13291b50b464
14155d6352d3
15b2bc761cb
hex6acc38b09

28668300041 has 8 divisors (see below), whose sum is σ = 28839706560. Its totient is φ = 28496959312.

The previous prime is 28668300029. The next prime is 28668300049. The reversal of 28668300041 is 14000386682.

It is a happy number.

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 28668300041 - 218 = 28668037897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28668299968 and 28668300004.

It is not an unprimeable number, because it can be changed into a prime (28668300049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070270 + ... + 1096728.

It is an arithmetic number, because the mean of its divisors is an integer number (3604963320).

Almost surely, 228668300041 is an apocalyptic number.

It is an amenable number.

28668300041 is a deficient number, since it is larger than the sum of its proper divisors (171406519).

28668300041 is a wasteful number, since it uses less digits than its factorization.

28668300041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32895.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 28668300041 in words is "twenty-eight billion, six hundred sixty-eight million, three hundred thousand, forty-one".

Divisors: 1 173 6263 26459 1083499 4577407 165712717 28668300041