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20315614464105 = 3519912347551219
BaseRepresentation
bin1001001111010000110001…
…11110111100100001101001
32122221011011002202111101020
410213220120332330201221
510130322334300322410
6111112510415243053
74164516602504232
oct447503076744151
978834132674336
1020315614464105
116522892813324
122341376219489
13b449a604c9cc
145033d1054089
152536c8282a70
hex127a18fbc869

20315614464105 has 32 divisors (see below), whose sum is σ = 32671029888000. Its totient is φ = 10779654485952.

The previous prime is 20315614464097. The next prime is 20315614464137. The reversal of 20315614464105 is 50146441651302.

It is not a de Polignac number, because 20315614464105 - 23 = 20315614464097 is a prime.

It is a Curzon number.

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, 36580186 + ... + 37131404.

It is an arithmetic number, because the mean of its divisors is an integer number (1020969684000).

Almost surely, 220315614464105 is an apocalyptic number.

It is an amenable number.

20315614464105 is a deficient number, since it is larger than the sum of its proper divisors (12355415423895).

20315614464105 is a wasteful number, since it uses less digits than its factorization.

20315614464105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563773.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20315614464105 in words is "twenty trillion, three hundred fifteen billion, six hundred fourteen million, four hundred sixty-four thousand, one hundred five".

Divisors: 1 3 5 15 199 597 995 2985 12347 37041 61735 185205 551219 1653657 2457053 2756095 7371159 8268285 12285265 36855795 109692581 329077743 548462905 1645388715 6805900993 20417702979 34029504965 102088514895 1354374297607 4063122892821 6771871488035 20315614464105