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30012004312 = 2361318793257
BaseRepresentation
bin11011111100110110…
…101101011111011000
32212110120212210012021
4123330312231133120
5442431033114222
621442021224224
72111503553563
oct337466553730
985416783167
1030012004312
1111800aa3054
125996b62074
132aa3a09044
141649c914da
15ba9beaac7
hex6fcdad7d8

30012004312 has 32 divisors (see below), whose sum is σ = 56411618400. Its totient is φ = 14968952064.

The previous prime is 30012004307. The next prime is 30012004313. The reversal of 30012004312 is 21340021003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012004313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9212988 + ... + 9216244.

It is an arithmetic number, because the mean of its divisors is an integer number (1762863075).

Almost surely, 230012004312 is an apocalyptic number.

It is an amenable number.

30012004312 is a deficient number, since it is larger than the sum of its proper divisors (26399614088).

30012004312 is a wasteful number, since it uses less digits than its factorization.

30012004312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755 (or 5751 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30012004312 its reverse (21340021003), we get a palindrome (51352025315).

The spelling of 30012004312 in words is "thirty billion, twelve million, four thousand, three hundred twelve".

Divisors: 1 2 4 8 613 1226 1879 2452 3257 3758 4904 6514 7516 13028 15032 26056 1151827 1996541 2303654 3993082 4607308 6119903 7986164 9214616 12239806 15972328 24479612 48959224 3751500539 7503001078 15006002156 30012004312