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30002010123 = 325738913113
BaseRepresentation
bin11011111100010000…
…100101100000001011
32212102220002000202010
4123330100211200023
5442421003310443
621441023111003
72111322610161
oct337420454013
985386060663
1030002010123
11117a6397298
125993742463
132aa191a017
14164880d231
15ba8dc4733
hex6fc42580b

30002010123 has 8 divisors (see below), whose sum is σ = 40158333648. Its totient is φ = 19923513344.

The previous prime is 30002010121. The next prime is 30002010163. The reversal of 30002010123 is 32101020003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30002010123 - 21 = 30002010121 is a prime.

It is a super-2 number, since 2×300020101232 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30002010099 and 30002010108.

It is not an unprimeable number, because it can be changed into a prime (30002010121) 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, 19455786 + ... + 19457327.

It is an arithmetic number, because the mean of its divisors is an integer number (5019791706).

Almost surely, 230002010123 is an apocalyptic number.

30002010123 is a deficient number, since it is larger than the sum of its proper divisors (10156323525).

30002010123 is a wasteful number, since it uses less digits than its factorization.

30002010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38913373.

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

Adding to 30002010123 its reverse (32101020003), we get a palindrome (62103030126).

The spelling of 30002010123 in words is "thirty billion, two million, ten thousand, one hundred twenty-three".

Divisors: 1 3 257 771 38913113 116739339 10000670041 30002010123