Search a number
-
+
30101794069 = 192018378497
BaseRepresentation
bin11100000010001101…
…001110110100010101
32212200211211120120211
4130002031032310111
5443122024402234
621454545525421
72113644012364
oct340215166425
985624746524
1030101794069
1111847750466
125a01043871
132ab94b6389
141657b857db
15bb2a35164
hex70234ed15

30101794069 has 8 divisors (see below), whose sum is σ = 31688072640. Its totient is φ = 28515712896.

The previous prime is 30101794067. The next prime is 30101794081. The reversal of 30101794069 is 96049710103.

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 30101794069 - 21 = 30101794067 is a prime.

It is a super-2 number, since 2×301017940692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101794067) 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, 344229 + ... + 422725.

It is an arithmetic number, because the mean of its divisors is an integer number (3961009080).

Almost surely, 230101794069 is an apocalyptic number.

It is an amenable number.

30101794069 is a deficient number, since it is larger than the sum of its proper divisors (1586278571).

30101794069 is a wasteful number, since it uses less digits than its factorization.

30101794069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98699.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 30101794069 in words is "thirty billion, one hundred one million, seven hundred ninety-four thousand, sixty-nine".

Divisors: 1 19 20183 78497 383477 1491443 1584304951 30101794069