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30312112001202 = 2321684006222289
BaseRepresentation
bin1101110010001100101101…
…01010110001000010110010
310222022210212012111012100100
412321012112222301002302
512433113201133014302
6144245105250333230
76245656251543453
oct671062652610262
9128283765435310
1030312112001202
119727326a980a9
123496834b8a216
1313bb55c688875
1476b184d4312a
1537874a97dd1c
hex1b9196ab10b2

30312112001202 has 12 divisors (see below), whose sum is σ = 65676242669310. Its totient is φ = 10104037333728.

The previous prime is 30312112001183. The next prime is 30312112001221. The reversal of 30312112001202 is 20210021121303.

30312112001202 is a `hidden beast` number, since 30 + 312 + 1 + 1 + 200 + 120 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (30312112001183) and next prime (30312112001221).

It can be written as a sum of positive squares in only one way, i.e., 25940370462561 + 4371741538641 = 5093169^2 + 2090871^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1684006222289 = 30312112001202 / (3 + 0 + 3 + 1 + 2 + 1 + 1 + 2 + 0 + 0 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842003111127 + ... + 842003111162.

Almost surely, 230312112001202 is an apocalyptic number.

30312112001202 is an abundant number, since it is smaller than the sum of its proper divisors (35364130668108).

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

30312112001202 is a wasteful number, since it uses less digits than its factorization.

30312112001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684006222297 (or 1684006222294 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30312112001202 its reverse (20210021121303), we get a palindrome (50522133122505).

The spelling of 30312112001202 in words is "thirty trillion, three hundred twelve billion, one hundred twelve million, one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 1684006222289 3368012444578 5052018666867 10104037333734 15156056000601 30312112001202