Search a number
-
+
30230530710 = 23531131248137
BaseRepresentation
bin11100001001111000…
…010100101010010110
32220000211002002001120
4130021320110222112
5443403003440320
621515425104410
72120066162022
oct341170245226
986024062046
1030230530710
111190338a186
125a38188106
132b0a07bac3
14166acd7382
15bbdeb4440
hex709e14a96

30230530710 has 64 divisors (see below), whose sum is σ = 75465713664. Its totient is φ = 7741843200.

The previous prime is 30230530699. The next prime is 30230530747. The reversal of 30230530710 is 1703503203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2239 + ... + 245898.

It is an arithmetic number, because the mean of its divisors is an integer number (1179151776).

Almost surely, 230230530710 is an apocalyptic number.

30230530710 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30230530710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37732856832).

30230530710 is an abundant number, since it is smaller than the sum of its proper divisors (45235182954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30230530710 is a wasteful number, since it uses less digits than its factorization.

30230530710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248309.

The product of its (nonzero) digits is 1890, while the sum is 24.

The spelling of 30230530710 in words is "thirty billion, two hundred thirty million, five hundred thirty thousand, seven hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 131 155 186 262 310 393 465 655 786 930 1310 1965 3930 4061 8122 12183 20305 24366 40610 60915 121830 248137 496274 744411 1240685 1488822 2481370 3722055 7444110 7692247 15384494 23076741 32505947 38461235 46153482 65011894 76922470 97517841 115383705 162529735 195035682 230767410 325059470 487589205 975178410 1007684357 2015368714 3023053071 5038421785 6046106142 10076843570 15115265355 30230530710