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30203220121230 = 2351377444154157
BaseRepresentation
bin1101101111000001111000…
…01101001101011010001110
310221221101210100012112212210
412313200330031031122032
512424322143322334410
6144123100123411250
76235052644045602
oct667407415153216
9127841710175783
1030203220121230
1196951283a8a72
123479705383b26
1313b11c79235b0
14765bb4db3502
153759c5cc3220
hex1b783c34d68e

30203220121230 has 32 divisors (see below), whose sum is σ = 78063707391264. Its totient is φ = 7434638798976.

The previous prime is 30203220121201. The next prime is 30203220121381. The reversal of 30203220121230 is 3212102230203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30203220121197 and 30203220121206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38722076689 + ... + 38722077468.

It is an arithmetic number, because the mean of its divisors is an integer number (2439490855977).

Almost surely, 230203220121230 is an apocalyptic number.

30203220121230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30203220121230 is an abundant number, since it is smaller than the sum of its proper divisors (47860487270034).

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

30203220121230 is a wasteful number, since it uses less digits than its factorization.

30203220121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77444154180.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30203220121230 its reverse (3212102230203), we get a palindrome (33415322351433).

The spelling of 30203220121230 in words is "thirty trillion, two hundred three billion, two hundred twenty million, one hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 77444154157 154888308314 232332462471 387220770785 464664924942 774441541570 1006774004041 1161662312355 2013548008082 2323324624710 3020322012123 5033870020205 6040644024246 10067740040410 15101610060615 30203220121230