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30194135412 = 22378323318587
BaseRepresentation
bin11100000111101101…
…011111000101110100
32212221021121000002120
4130013231133011310
5443314144313122
621512045035540
72116144626210
oct340755370564
985837530076
1030194135412
1111894890921
125a27b55bb0
132b02677c1c
141666141940
15bbabc575c
hex707b5f174

30194135412 has 96 divisors (see below), whose sum is σ = 81841923072. Its totient is φ = 8485921536.

The previous prime is 30194135393. The next prime is 30194135441. The reversal of 30194135412 is 21453149103.

It is a congruent number.

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, 1615183 + ... + 1633769.

It is an arithmetic number, because the mean of its divisors is an integer number (852520032).

Almost surely, 230194135412 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 30194135412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40920961536).

30194135412 is an abundant number, since it is smaller than the sum of its proper divisors (51647787660).

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

30194135412 is a wasteful number, since it uses less digits than its factorization.

30194135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18917 (or 18915 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 30194135412 in words is "thirty billion, one hundred ninety-four million, one hundred thirty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 166 233 249 332 466 498 581 699 932 996 1162 1398 1631 1743 2324 2796 3262 3486 4893 6524 6972 9786 18587 19339 19572 37174 38678 55761 58017 74348 77356 111522 116034 130109 135373 223044 232068 260218 270746 390327 406119 520436 541492 780654 812238 1542721 1561308 1624476 3085442 4330771 4628163 6170884 8661542 9256326 10799047 12992313 17323084 18512652 21598094 25984626 30315397 32397141 43196188 51969252 60630794 64794282 90946191 121261588 129588564 181892382 359453993 363784764 718907986 1078361979 1437815972 2156723958 2516177951 4313447916 5032355902 7548533853 10064711804 15097067706 30194135412