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30235503521240 = 23543105116725767
BaseRepresentation
bin1101101111111110000000…
…11100100110110111011000
310222001111010020010012012122
412313333000130212313120
512430334302400134430
6144145555405000412
76240304651320413
oct667770034466730
9128044106105178
1030235503521240
1196a7894555246
123483a14b53108
1313b427109ab54
147675987a8b7a
153767650deee5
hex1b7fc0726dd8

30235503521240 has 64 divisors (see below), whose sum is σ = 69678211426560. Its totient is φ = 11801700489600.

The previous prime is 30235503521233. The next prime is 30235503521257. The reversal of 30235503521240 is 4212530553203.

It is a super-2 number, since 2×302355035212402 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30235503521240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6555164 + ... + 10170603.

It is an arithmetic number, because the mean of its divisors is an integer number (1088722053540).

Almost surely, 230235503521240 is an apocalyptic number.

It is an amenable number.

30235503521240 is an abundant number, since it is smaller than the sum of its proper divisors (39442707905320).

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

30235503521240 is a wasteful number, since it uses less digits than its factorization.

30235503521240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16726872 (or 16726868 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 30235503521240 in words is "thirty trillion, two hundred thirty-five billion, five hundred three million, five hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1051 1720 2102 4204 5255 8408 10510 21020 42040 45193 90386 180772 225965 361544 451930 903860 1807720 16725767 33451534 66903068 83628835 133806136 167257670 334515340 669030680 719207981 1438415962 2876831924 3596039905 5753663848 7192079810 14384159620 17578781117 28768319240 35157562234 70315124468 87893905585 140630248936 175787811170 351575622340 703151244680 755887588031 1511775176062 3023550352124 3779437940155 6047100704248 7558875880310 15117751760620 30235503521240