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30120002310 = 2354323348839
BaseRepresentation
bin11100000011010010…
…101100001100000110
32212202010002122121010
4130003102230030012
5443141210033220
621500440103050
72114254536546
oct340322541406
985663078533
1030120002310
1111856a575a2
125a07164a86
132ac01c0098
14165a365326
15bb44301e0
hex7034ac306

30120002310 has 32 divisors (see below), whose sum is σ = 73969125120. Its totient is φ = 7845209568.

The previous prime is 30120002303. The next prime is 30120002333. The reversal of 30120002310 is 1320002103.

It is a happy number.

30120002310 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×301200023102 (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 15 ways as a sum of consecutive naturals, for example, 11673130 + ... + 11675709.

It is an arithmetic number, because the mean of its divisors is an integer number (2311535160).

Almost surely, 230120002310 is an apocalyptic number.

30120002310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30120002310 is an abundant number, since it is smaller than the sum of its proper divisors (43849122810).

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

30120002310 is a wasteful number, since it uses less digits than its factorization.

30120002310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23348892.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30120002310 its reverse (1320002103), we get a palindrome (31440004413).

The spelling of 30120002310 in words is "thirty billion, one hundred twenty million, two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 23348839 46697678 70046517 116744195 140093034 233488390 350232585 700465170 1004000077 2008000154 3012000231 5020000385 6024000462 10040000770 15060001155 30120002310