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30551044303020 = 223510931595929191
BaseRepresentation
bin1101111001001001110000…
…01001001010100010101100
311000011122120210202201210010
412330210320021022202230
513001022014320144040
6144550542255013220
76302145233601543
oct674447011124254
9130148523681703
1030551044303020
11980969705494a
123514bb6b0a210
131407c497a9207
1477896d8a115a
1537ea81cd4e80
hex1bc93824a8ac

30551044303020 has 96 divisors (see below), whose sum is σ = 85629486781440. Its totient is φ = 8138702557440.

The previous prime is 30551044302973. The next prime is 30551044303051. The reversal of 30551044303020 is 2030344015503.

It is a super-2 number, since 2×305510443030202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046576625 + ... + 1046605815.

It is an arithmetic number, because the mean of its divisors is an integer number (891973820640).

Almost surely, 230551044303020 is an apocalyptic number.

30551044303020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30551044303020 is an abundant number, since it is smaller than the sum of its proper divisors (55078442478420).

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

30551044303020 is a wasteful number, since it uses less digits than its factorization.

30551044303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46255 (or 46253 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 30551044303020 its reverse (2030344015503), we get a palindrome (32581388318523).

The spelling of 30551044303020 in words is "thirty trillion, five hundred fifty-one billion, forty-four million, three hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1093 2186 3279 4372 5465 6558 10930 13116 15959 16395 21860 29191 31918 32790 47877 58382 63836 65580 79795 87573 95754 116764 145955 159590 175146 191508 239385 291910 319180 350292 437865 478770 583820 875730 957540 1751460 17443187 31905763 34886374 52329561 63811526 69772748 87215935 95717289 104659122 127623052 159528815 174431870 191434578 209318244 261647805 319057630 348863740 382869156 465859169 478586445 523295610 638115260 931718338 957172890 1046591220 1397577507 1863436676 1914345780 2329295845 2795155014 4658591690 5590310028 6987887535 9317183380 13975775070 27951550140 509184071717 1018368143434 1527552215151 2036736286868 2545920358585 3055104430302 5091840717170 6110208860604 7637761075755 10183681434340 15275522151510 30551044303020