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30211212033312 = 253314700125347
BaseRepresentation
bin1101101111010000110001…
…00011111011110100100000
310221222011102022101202020120
412313220120203323310200
512424440030240031222
6144130501134040240
76235454666142042
oct667503043736440
9127864368352216
1030211212033312
119698559651892
12347b175949080
1313b1b9c59425b
14766332573a92
15375ce272215c
hex1b7a188fbd20

30211212033312 has 24 divisors (see below), whose sum is σ = 79304431587696. Its totient is φ = 10070404011072.

The previous prime is 30211212033253. The next prime is 30211212033341. The reversal of 30211212033312 is 21333021211203.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 157350062578 + ... + 157350062769.

It is an arithmetic number, because the mean of its divisors is an integer number (3304351316154).

Almost surely, 230211212033312 is an apocalyptic number.

30211212033312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30211212033312 is an abundant number, since it is smaller than the sum of its proper divisors (49093219554384).

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

30211212033312 is a wasteful number, since it uses less digits than its factorization.

30211212033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314700125360 (or 314700125352 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30211212033312 its reverse (21333021211203), we get a palindrome (51544233244515).

The spelling of 30211212033312 in words is "thirty trillion, two hundred eleven billion, two hundred twelve million, thirty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 314700125347 629400250694 944100376041 1258800501388 1888200752082 2517601002776 3776401504164 5035202005552 7552803008328 10070404011104 15105606016656 30211212033312