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30013321020120 = 23325470591771613
BaseRepresentation
bin1101101001100000001010…
…10101101000001011011000
310221021020121221112200202200
412310300011111220023120
512413214240140120440
6143455532422530200
76215251034241444
oct664600525501330
9127236557480680
1030013321020120
11962163a2a7699
123448948596960
13139932318b589
1475a91c5db824
15370aae4dcc30
hex1b4c055682d8

30013321020120 has 96 divisors (see below), whose sum is σ = 97545421162800. Its totient is φ = 8003377679616.

The previous prime is 30013321020119. The next prime is 30013321020127. The reversal of 30013321020120 is 2102012331003.

30013321020120 is a `hidden beast` number, since 300 + 1 + 3 + 321 + 0 + 20 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30013321020093 and 30013321020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013321020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16055434 + ... + 17827046.

Almost surely, 230013321020120 is an apocalyptic number.

30013321020120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30013321020120 is an abundant number, since it is smaller than the sum of its proper divisors (67532100142680).

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

30013321020120 is a wasteful number, since it uses less digits than its factorization.

30013321020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818689 (or 1818682 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30013321020120 its reverse (2102012331003), we get a palindrome (32115333351123).

The spelling of 30013321020120 in words is "thirty trillion, thirteen billion, three hundred twenty-one million, twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 47059 94118 141177 188236 235295 282354 376472 423531 470590 564708 705885 847062 941180 1129416 1411770 1694124 1771613 1882360 2117655 2823540 3388248 3543226 4235310 5314839 5647080 7086452 8470620 8858065 10629678 14172904 15944517 16941240 17716130 21259356 26574195 31889034 35432260 42518712 53148390 63778068 70864520 79722585 106296780 127556136 159445170 212593560 318890340 637780680 83370336167 166740672334 250111008501 333481344668 416851680835 500222017002 666962689336 750333025503 833703361670 1000444034004 1250555042505 1500666051006 1667406723340 2000888068008 2501110085010 3001332102012 3334813446680 3751665127515 5002220170020 6002664204024 7503330255030 10004440340040 15006660510060 30013321020120