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30451205025340 = 22511791939078151
BaseRepresentation
bin1101110110001111110010…
…10000100010111000111100
310222211002212211112221002221
412323013321100202320330
512442403031441302330
6144433031312455124
76262012151001331
oct673077120427074
9128732784487087
1030451205025340
119780313414910
1234b9792b4a4a4
1313cb6c8380c48
14773bbbd1a988
1537c18bc46b7a
hex1bb1f9422e3c

30451205025340 has 96 divisors (see below), whose sum is σ = 71010031196160. Its totient is φ = 10876349952000.

The previous prime is 30451205025337. The next prime is 30451205025377. The reversal of 30451205025340 is 4352050215403.

It is a junction number, because it is equal to n+sod(n) for n = 30451205025296 and 30451205025305.

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, 1184736 + ... + 7893415.

It is an arithmetic number, because the mean of its divisors is an integer number (739687824960).

Almost surely, 230451205025340 is an apocalyptic number.

It is an amenable number.

30451205025340 is an abundant number, since it is smaller than the sum of its proper divisors (40558826170820).

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

30451205025340 is a wasteful number, since it uses less digits than its factorization.

30451205025340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078443 (or 9078441 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 30451205025340 in words is "thirty trillion, four hundred fifty-one billion, two hundred five million, twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 79 110 158 193 220 316 386 395 772 790 869 965 1580 1738 1930 2123 3476 3860 4246 4345 8492 8690 10615 15247 17380 21230 30494 42460 60988 76235 152470 167717 304940 335434 670868 838585 1677170 3354340 9078151 18156302 36312604 45390755 90781510 99859661 181563020 199719322 399438644 499298305 717173929 998596610 1434347858 1752083143 1997193220 2868695716 3504166286 3585869645 7008332572 7171739290 7888913219 8760415715 14343478580 15777826438 17520831430 19272914573 31555652876 35041662860 38545829146 39444566095 77091658292 78889132190 96364572865 138414568297 157778264380 192729145730 276829136594 385458291460 553658273188 692072841485 1384145682970 1522560251267 2768291365940 3045120502534 6090241005068 7612801256335 15225602512670 30451205025340