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30484741518 = 232721122913721
BaseRepresentation
bin11100011001000010…
…000011110110001110
32220200112102022201200
4130121002003312032
5444413043212033
622000545450330
72126304012300
oct343102036616
986615368650
1030484741518
1111a23929560
125aa93409a6
132b4a936cba
14169298b970
15bd647b013
hex719083d8e

30484741518 has 144 divisors (see below), whose sum is σ = 84191056560. Its totient is φ = 7882963200.

The previous prime is 30484741517. The next prime is 30484741519. The reversal of 30484741518 is 81514748403.

It is an interprime number because it is at equal distance from previous prime (30484741517) and next prime (30484741519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30484741517) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2214898 + ... + 2228618.

It is an arithmetic number, because the mean of its divisors is an integer number (584660115).

Almost surely, 230484741518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30484741518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42095528280).

30484741518 is an abundant number, since it is smaller than the sum of its proper divisors (53706315042).

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

30484741518 is a wasteful number, since it uses less digits than its factorization.

30484741518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983 (or 13973 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 30484741518 in words is "thirty billion, four hundred eighty-four million, seven hundred forty-one thousand, five hundred eighteen".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 49 63 66 77 98 99 126 147 154 198 229 231 294 441 458 462 539 687 693 882 1078 1374 1386 1603 1617 2061 2519 3206 3234 4122 4809 4851 5038 7557 9618 9702 11221 13721 14427 15114 17633 22442 22671 27442 28854 33663 35266 41163 45342 52899 67326 82326 96047 100989 105798 123431 123489 150931 158697 192094 201978 246862 246978 288141 301862 317394 370293 452793 576282 672329 740586 864423 905586 1056517 1110879 1344658 1358379 1728846 2016987 2113034 2221758 2716758 3142109 3169551 4033974 6050961 6284218 6339102 7395619 9426327 9508653 12101922 14791238 18852654 19017306 21994763 22186857 28278981 34563199 43989526 44373714 56557962 65984289 66560571 69126398 103689597 131968578 133121142 153963341 197952867 207379194 241942393 307926682 311068791 395905734 461890023 483884786 622137582 725827179 923780046 1385670069 1451654358 1693596751 2177481537 2771340138 3387193502 4354963074 5080790253 10161580506 15242370759 30484741518