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30121033430124 = 223271331812890429
BaseRepresentation
bin1101101100101000110010…
…11111110111010001101100
310221122112122121110001121100
412312110121133313101230
512422000334024230444
6144021224533403100
76226113200515350
oct666243137672154
9127575577401540
1030121033430124
11966329313255a
1234657a9199490
1313a652a769b20
14761c19a63460
153737b5865e69
hex1b65197f746c

30121033430124 has 144 divisors (see below), whose sum is σ = 93739373465920. Its totient is φ = 7941508738560.

The previous prime is 30121033430099. The next prime is 30121033430167. The reversal of 30121033430124 is 42103433012103.

It is a happy number.

30121033430124 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 1 + 0 + 334 + 301 + 24 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8975742 + ... + 11866170.

Almost surely, 230121033430124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30121033430124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46869686732960).

30121033430124 is an abundant number, since it is smaller than the sum of its proper divisors (63618340035796).

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

30121033430124 is a wasteful number, since it uses less digits than its factorization.

30121033430124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893640 (or 2893635 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 30121033430124 its reverse (42103433012103), we get a palindrome (72224466442227).

The spelling of 30121033430124 in words is "thirty trillion, one hundred twenty-one billion, thirty-three million, four hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3181 3276 6362 9543 12724 19086 22267 28629 38172 41353 44534 57258 66801 82706 89068 114516 124059 133602 165412 200403 248118 267204 289471 372177 400806 496236 578942 744354 801612 868413 1157884 1488708 1736826 2605239 2890429 3473652 5210478 5780858 8671287 10420956 11561716 17342574 20233003 26013861 34685148 37575577 40466006 52027722 60699009 75151154 80932012 104055444 112726731 121398018 150302308 182097027 225453462 242796036 263029039 338180193 364194054 450906924 526058078 676360386 728388108 789087117 1052116156 1352720772 1578174234 2367261351 3156348468 4734522702 9194454649 9469045404 18388909298 27583363947 36777818596 55166727894 64361182543 82750091841 110333455788 119527910437 128722365086 165500183682 193083547629 239055820874 257444730172 331000367364 358583731311 386167095258 478111641748 579250642887 717167462622 772334190516 836695373059 1075751193933 1158501285774 1434334925244 1673390746118 2151502387866 2317002571548 2510086119177 3346781492236 4303004775732 5020172238354 7530258357531 10040344476708 15060516715062 30121033430124