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30230222203220 = 22513128990201773
BaseRepresentation
bin1101101111110100001011…
…01001111110100101010100
310222000222111011101102212112
412313322011221332211110
512430242443341000340
6144143323344010152
76240030042002654
oct667720551764524
9128028434342775
1030230222203220
1196a5624373906
1234829a0300958
1313b390bb829c0
147672171d8364
1537655661a065
hex1b7e85a7e954

30230222203220 has 48 divisors (see below), whose sum is σ = 68419849614480. Its totient is φ = 11153268704256.

The previous prime is 30230222203189. The next prime is 30230222203243. The reversal of 30230222203220 is 2230222203203.

It can be written as a sum of positive squares in 8 ways, for example, as 2434361339536 + 27795860863684 = 1560244^2 + 5272178^2 .

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, 44765747 + ... + 45436026.

It is an arithmetic number, because the mean of its divisors is an integer number (1425413533635).

Almost surely, 230230222203220 is an apocalyptic number.

It is an amenable number.

30230222203220 is an abundant number, since it is smaller than the sum of its proper divisors (38189627411260).

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

30230222203220 is a wasteful number, since it uses less digits than its factorization.

30230222203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90203084 (or 90203082 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 30230222203220 its reverse (2230222203203), we get a palindrome (32460444406423).

The spelling of 30230222203220 in words is "thirty trillion, two hundred thirty billion, two hundred twenty-two million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1289 2578 5156 6445 12890 16757 25780 33514 67028 83785 167570 335140 90201773 180403546 360807092 451008865 902017730 1172623049 1804035460 2345246098 4690492196 5863115245 11726230490 23452460980 116270085397 232540170794 465080341588 581350426985 1162700853970 1511511110161 2325401707940 3023022220322 6046044440644 7557555550805 15115111101610 30230222203220