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30002323312 = 24131973310357
BaseRepresentation
bin11011111100010001…
…110001111101110000
32212102220122221100201
4123330101301331300
5442421043321222
621441033524544
72111325353233
oct337421617560
985386587321
1030002323312
11117a6590625
125993873754
132aa19c9740
14164889141a
15ba8e37427
hex6fc471f70

30002323312 has 80 divisors (see below), whose sum is σ = 65992060960. Its totient is φ = 13099262976.

The previous prime is 30002323213. The next prime is 30002323319. The reversal of 30002323312 is 21332320003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 30002323312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002323319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2891638 + ... + 2901994.

It is an arithmetic number, because the mean of its divisors is an integer number (824900762).

Almost surely, 230002323312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30002323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32996030480).

30002323312 is an abundant number, since it is smaller than the sum of its proper divisors (35989737648).

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

30002323312 is a wasteful number, since it uses less digits than its factorization.

30002323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130 (or 11124 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30002323312 its reverse (21332320003), we get a palindrome (51334643315).

The spelling of 30002323312 in words is "thirty billion, two million, three hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 494 733 988 1466 1976 2932 3952 5864 9529 10357 11728 13927 19058 20714 27854 38116 41428 55708 76232 82856 111416 134641 152464 165712 181051 196783 222832 269282 362102 393566 538564 724204 787132 1077128 1448408 1574264 2154256 2558179 2896816 3148528 5116358 7591681 10232716 15183362 20465432 30366724 40930864 60733448 98691853 121466896 144241939 197383706 288483878 394767412 576967756 789534824 1153935512 1579069648 1875145207 2307871024 3750290414 7500580828 15001161656 30002323312