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30705741692 = 2219404022917
BaseRepresentation
bin11100100110001101…
…000110111101111100
32221020221021021222022
4130212031012331330
51000341132213232
622034522335312
72134626332543
oct344615067574
987227237868
1030705741692
111202765522a
125b4b35a538
132b84664a32
1416b407915a
15beaa82812
hex726346f7c

30705741692 has 12 divisors (see below), whose sum is σ = 56563208520. Its totient is φ = 14544824976.

The previous prime is 30705741659. The next prime is 30705741823. The reversal of 30705741692 is 29614750703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202011383 + ... + 202011534.

It is an arithmetic number, because the mean of its divisors is an integer number (4713600710).

Almost surely, 230705741692 is an apocalyptic number.

It is an amenable number.

30705741692 is a deficient number, since it is larger than the sum of its proper divisors (25857466828).

30705741692 is a wasteful number, since it uses less digits than its factorization.

30705741692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404022940 (or 404022938 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 30705741692 in words is "thirty billion, seven hundred five million, seven hundred forty-one thousand, six hundred ninety-two".

Divisors: 1 2 4 19 38 76 404022917 808045834 1616091668 7676435423 15352870846 30705741692