Search a number
-
+
30021101318 = 2131384183423
BaseRepresentation
bin11011111101011001…
…011010011100000110
32212111012222221221102
4123331121122130012
5442440400220233
621442544220102
72111644102505
oct337531323406
985435887842
1030021101318
111180614683a
12599a00a632
132aa58728a0
14164b17c83c
15baa8e61e8
hex6fd65a706

30021101318 has 16 divisors (see below), whose sum is σ = 48499710336. Its totient is φ = 13854725760.

The previous prime is 30021101317. The next prime is 30021101347. The reversal of 30021101318 is 81310112003.

It is a self number, because there is not a number n which added to its sum of digits gives 30021101318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021101317) 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, 318155 + ... + 401577.

It is an arithmetic number, because the mean of its divisors is an integer number (3031231896).

Almost surely, 230021101318 is an apocalyptic number.

30021101318 is a deficient number, since it is larger than the sum of its proper divisors (18478609018).

30021101318 is a wasteful number, since it uses less digits than its factorization.

30021101318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97279.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 30021101318 in words is "thirty billion, twenty-one million, one hundred one thousand, three hundred eighteen".

Divisors: 1 2 13 26 13841 27682 83423 166846 179933 359866 1084499 2168998 1154657743 2309315486 15010550659 30021101318