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30515201104420 = 2255928391379293
BaseRepresentation
bin1101111000000110111111…
…01110001101101000100100
311000001020001211110120211001
412330003133232031220210
512444430112440320140
6144522253450523044
76266436062462344
oct674033756155044
9130036054416731
1030515201104420
1197a547354826a
12350a073136484
131404756988c66
14776d2d3c2d24
1537db851e7e9a
hex1bc0dfb8da24

30515201104420 has 48 divisors (see below), whose sum is σ = 65398333129920. Its totient is φ = 11956797599616.

The previous prime is 30515201104397. The next prime is 30515201104439. The reversal of 30515201104420 is 2440110251503.

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, 45355707 + ... + 46023586.

It is an arithmetic number, because the mean of its divisors is an integer number (1362465273540).

Almost surely, 230515201104420 is an apocalyptic number.

It is an amenable number.

30515201104420 is an abundant number, since it is smaller than the sum of its proper divisors (34883132025500).

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

30515201104420 is a wasteful number, since it uses less digits than its factorization.

30515201104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91379644 (or 91379642 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 30515201104420 its reverse (2440110251503), we get a palindrome (32955311355923).

The spelling of 30515201104420 in words is "thirty trillion, five hundred fifteen billion, two hundred one million, one hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 283 295 566 590 1132 1180 1415 2830 5660 16697 33394 66788 83485 166970 333940 91379293 182758586 365517172 456896465 913792930 1827585860 5391378287 10782756574 21565513148 25860339919 26956891435 51720679838 53913782870 103441359676 107827565740 129301699595 258603399190 517206798380 1525760055221 3051520110442 6103040220884 7628800276105 15257600552210 30515201104420