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30520224456205 = 5113117900424901
BaseRepresentation
bin1101111000010000010110…
…01000110001111000001101
311000001201000220210022000011
412330020023020301320031
513000020404430044310
6144524444134433221
76300004420326001
oct674101310617015
9130051026708004
1030520224456205
1197a7611054870
12350b035502811
131405077602773
14777288602701
1537dd7b21378a
hex1bc20b231e0d

30520224456205 has 16 divisors (see below), whose sum is σ = 41242578974208. Its totient is φ = 21480509880000.

The previous prime is 30520224456203. The next prime is 30520224456247. The reversal of 30520224456205 is 50265442202503.

It is not a de Polignac number, because 30520224456205 - 21 = 30520224456203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520224456203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8950210746 + ... + 8950214155.

It is an arithmetic number, because the mean of its divisors is an integer number (2577661185888).

Almost surely, 230520224456205 is an apocalyptic number.

It is an amenable number.

30520224456205 is a deficient number, since it is larger than the sum of its proper divisors (10722354518003).

30520224456205 is a wasteful number, since it uses less digits than its factorization.

30520224456205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900424948.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 30520224456205 its reverse (50265442202503), we get a palindrome (80785666658708).

The spelling of 30520224456205 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-four million, four hundred fifty-six thousand, two hundred five".

Divisors: 1 5 11 31 55 155 341 1705 17900424901 89502124505 196904673911 554913171931 984523369555 2774565859655 6104044891241 30520224456205