Search a number
-
+
30230311310 = 254017538731
BaseRepresentation
bin11100001001110111…
…011111000110001110
32220000210122221002122
4130021313133012032
5443402424430220
621515420252542
72120064256253
oct341167370616
986023587078
1030230311310
111190324a361
125a380a1152
132b0a002c94
14166ac7b42a
15bbde6e425
hex709ddf18e

30230311310 has 16 divisors (see below), whose sum is σ = 54550264752. Its totient is φ = 12061968000.

The previous prime is 30230311259. The next prime is 30230311337. The reversal of 30230311310 is 1311303203.

It is a super-2 number, since 2×302303113102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765356 + ... + 3773375.

It is an arithmetic number, because the mean of its divisors is an integer number (3409391547).

Almost surely, 230230311310 is an apocalyptic number.

30230311310 is a deficient number, since it is larger than the sum of its proper divisors (24319953442).

30230311310 is a wasteful number, since it uses less digits than its factorization.

30230311310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539139.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30230311310 its reverse (1311303203), we get a palindrome (31541614513).

The spelling of 30230311310 in words is "thirty billion, two hundred thirty million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 401 802 2005 4010 7538731 15077462 37693655 75387310 3023031131 6046062262 15115155655 30230311310