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30455213123230 = 2572329705792431
BaseRepresentation
bin1101110110010111010000…
…01010001110011010011110
310222211111020011111101202221
412323023220022032122132
512442434234024420410
6144434533132135554
76262213400163040
oct673135012163236
9128744204441687
1030455213123230
119781a8a92a105
1234ba5113075ba
1313cbbb68794bc
1477407c37ba90
1537c323a6b4da
hex1bb2e828e69e

30455213123230 has 128 divisors (see below), whose sum is σ = 67639282606080. Its totient is φ = 9641919006720.

The previous prime is 30455213123221. The next prime is 30455213123261. The reversal of 30455213123230 is 3232131255403.

It is a super-2 number, since 2×304552131232302 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329445115 + ... + 329537545.

It is an arithmetic number, because the mean of its divisors is an integer number (528431895360).

Almost surely, 230455213123230 is an apocalyptic number.

30455213123230 is an abundant number, since it is smaller than the sum of its proper divisors (37184069482850).

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

30455213123230 is a wasteful number, since it uses less digits than its factorization.

30455213123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99554.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 30455213123230 its reverse (3232131255403), we get a palindrome (33687344378633).

The spelling of 30455213123230 in words is "thirty trillion, four hundred fifty-five billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 23 29 35 46 58 70 115 145 161 203 230 290 322 406 667 805 1015 1334 1610 2030 3335 4669 6670 7057 9338 14114 23345 35285 46690 49399 70570 92431 98798 162311 184862 204653 246995 324622 409306 462155 493990 647017 811555 924310 1023265 1136177 1294034 1432571 1623110 2046530 2125913 2272354 2680499 2865142 3235085 4251826 4707019 5360998 5680885 6470170 7162855 9414038 10629565 11361770 13402495 14325710 14881391 18763493 21259130 23535095 26804990 29762782 32949133 37526986 47070190 61651477 65898266 74406955 93817465 123302954 148813910 164745665 187634930 308257385 329491330 431560339 616514770 652285567 863120678 1304571134 2157801695 3261427835 4315603390 4565998969 6522855670 9131997938 15002568041 18916281443 22829994845 30005136082 37832562886 45659989690 75012840205 94581407215 105017976287 132413970101 150025680410 189162814430 210035952574 264827940202 435074473189 525089881435 662069850505 870148946378 1050179762870 1324139701010 2175372365945 3045521312323 4350744731890 6091042624646 15227606561615 30455213123230