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30240500205305 = 5134361177368839
BaseRepresentation
bin1101110000000111010100…
…10001011100011011111001
310222001222000110021001011102
412320003222101130123321
512430430021023032210
6144152143301141145
76240542533404425
oct670035221343371
9128058013231142
1030240500205305
1196a9a18aa7a05
12348498a3ba7b5
1313b4889338340
14767910245b85
15376958addea5
hex1b80ea45c6f9

30240500205305 has 32 divisors (see below), whose sum is σ = 40644424423680. Its totient is φ = 21454534644480.

The previous prime is 30240500205271. The next prime is 30240500205337. The reversal of 30240500205305 is 50350200504203.

It is not a de Polignac number, because 30240500205305 - 26 = 30240500205241 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88513925 + ... + 88854914.

It is an arithmetic number, because the mean of its divisors is an integer number (1270138263240).

Almost surely, 230240500205305 is an apocalyptic number.

It is an amenable number.

30240500205305 is a deficient number, since it is larger than the sum of its proper divisors (10403924218375).

30240500205305 is a wasteful number, since it uses less digits than its factorization.

30240500205305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177368961.

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 30240500205305 its reverse (50350200504203), we get a palindrome (80590700709508).

The spelling of 30240500205305 in words is "thirty trillion, two hundred forty billion, five hundred million, two hundred five thousand, three hundred five".

Divisors: 1 5 13 43 61 65 215 305 559 793 2623 2795 3965 13115 34099 170495 177368839 886844195 2305794907 7626860077 10819499179 11528974535 38134300385 54097495895 99149181001 140653489327 465238464697 495745905005 703267446635 2326192323485 6048100041061 30240500205305