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30484158840 = 2334534926959
BaseRepresentation
bin11100011000111111…
…110101100101111000
32220200111022201110000
4130120333311211320
5444412421040330
622000525153000
72126266034442
oct343077654570
986614281400
1030484158840
1111a23570803
125aa90bb760
132b4a791a15
141692879492
15bd63b3560
hex718ff5978

30484158840 has 160 divisors (see below), whose sum is σ = 102758040000. Its totient is φ = 8105515776.

The previous prime is 30484158833. The next prime is 30484158851. The reversal of 30484158840 is 4885148403.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1117281 + ... + 1144239.

It is an arithmetic number, because the mean of its divisors is an integer number (642237750).

Almost surely, 230484158840 is an apocalyptic number.

30484158840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30484158840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51379020000).

30484158840 is an abundant number, since it is smaller than the sum of its proper divisors (72273881160).

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

30484158840 is a wasteful number, since it uses less digits than its factorization.

30484158840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27331 (or 27318 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 30484158840 in words is "thirty billion, four hundred eighty-four million, one hundred fifty-eight thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 349 360 405 540 648 698 810 1047 1080 1396 1620 1745 2094 2792 3141 3240 3490 4188 5235 6282 6980 8376 9423 10470 12564 13960 15705 18846 20940 25128 26959 28269 31410 37692 41880 47115 53918 56538 62820 75384 80877 94230 107836 113076 125640 134795 141345 161754 188460 215672 226152 242631 269590 282690 323508 376920 404385 485262 539180 565380 647016 727893 808770 970524 1078360 1130760 1213155 1455786 1617540 1941048 2183679 2426310 2911572 3235080 3639465 4367358 4852620 5823144 7278930 8734716 9408691 9705240 10918395 14557860 17469432 18817382 21836790 28226073 29115720 37634764 43673580 47043455 56452146 75269528 84678219 87347160 94086910 112904292 141130365 169356438 188173820 225808584 254034657 282260730 338712876 376347640 423391095 508069314 564521460 677425752 762103971 846782190 1016138628 1129042920 1270173285 1524207942 1693564380 2032277256 2540346570 3048415884 3387128760 3810519855 5080693140 6096831768 7621039710 10161386280 15242079420 30484158840