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30266430261 = 329211996207
BaseRepresentation
bin11100001100000001…
…010001001100110101
32220010022121221222120
4130030001101030311
5443441201232021
621523150350153
72121013261314
oct341401211465
986108557876
1030266430261
111192167a031
125a481bb359
132b1463b142
1416719a027b
15bc22062c6
hex70c051335

30266430261 has 12 divisors (see below), whose sum is σ = 41794788672. Its totient is φ = 19481838544.

The previous prime is 30266430251. The next prime is 30266430263. The reversal of 30266430261 is 16203466203.

It is not a de Polignac number, because 30266430261 - 26 = 30266430197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30266430263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5995581 + ... + 6000626.

It is an arithmetic number, because the mean of its divisors is an integer number (3482899056).

Almost surely, 230266430261 is an apocalyptic number.

It is an amenable number.

30266430261 is a deficient number, since it is larger than the sum of its proper divisors (11528358411).

30266430261 is a wasteful number, since it uses less digits than its factorization.

30266430261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996268 (or 11996239 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 30266430261 its reverse (16203466203), we get a palindrome (46469896464).

The spelling of 30266430261 in words is "thirty billion, two hundred sixty-six million, four hundred thirty thousand, two hundred sixty-one".

Divisors: 1 3 29 87 841 2523 11996207 35988621 347890003 1043670009 10088810087 30266430261