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30212020554312 = 2337915934609997
BaseRepresentation
bin1101101111010010010001…
…10000001100101001001000
310221222020111122202212112210
412313221020300030221020
512424443204230214222
6144131113255305120
76235514014355112
oct667511060145110
9127866448685483
1030212020554312
119698933a82663
12347b36067b1a0
1313b1c9ac3b74c
147663ababa3b2
15375d3d6cdd0c
hex1b7a48c0ca48

30212020554312 has 32 divisors (see below), whose sum is σ = 76486127990400. Its totient is φ = 9943196637504.

The previous prime is 30212020554301. The next prime is 30212020554329. The reversal of 30212020554312 is 21345502021203.

It is a self number, because there is not a number n which added to its sum of digits gives 30212020554312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967303103 + ... + 7967306894.

It is an arithmetic number, because the mean of its divisors is an integer number (2390191499700).

Almost surely, 230212020554312 is an apocalyptic number.

It is an amenable number.

30212020554312 is an abundant number, since it is smaller than the sum of its proper divisors (46274107436088).

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

30212020554312 is a wasteful number, since it uses less digits than its factorization.

30212020554312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15934610085 (or 15934610081 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 30212020554312 its reverse (21345502021203), we get a palindrome (51557522575515).

The spelling of 30212020554312 in words is "thirty trillion, two hundred twelve billion, twenty million, five hundred fifty-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 79 158 237 316 474 632 948 1896 15934609997 31869219994 47803829991 63738439988 95607659982 127476879976 191215319964 382430639928 1258834189763 2517668379526 3776502569289 5035336759052 7553005138578 10070673518104 15106010277156 30212020554312