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20346327017485 = 571429406804499
BaseRepresentation
bin1001010000001001111111…
…00110000010100000001101
32200001002102111211212020021
410220010333212002200031
510131323234204024420
6111134550144022141
74166654644060210
oct450047746024015
980032374755207
1020346327017485
1165349131a0247
122347307901951
13b4785bc2b011
14504aa5d83777
152543c470d7aa
hex12813f98280d

20346327017485 has 16 divisors (see below), whose sum is σ = 27923060880000. Its totient is φ = 13942003755456.

The previous prime is 20346327017477. The next prime is 20346327017501. The reversal of 20346327017485 is 58471072364302.

It is not a de Polignac number, because 20346327017485 - 23 = 20346327017477 is a prime.

It is a congruent number.

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, 203352235 + ... + 203452264.

It is an arithmetic number, because the mean of its divisors is an integer number (1745191305000).

Almost surely, 220346327017485 is an apocalyptic number.

It is an amenable number.

20346327017485 is a deficient number, since it is larger than the sum of its proper divisors (7576733862515).

20346327017485 is a wasteful number, since it uses less digits than its factorization.

20346327017485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406805940.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 20346327017485 in words is "twenty trillion, three hundred forty-six billion, three hundred twenty-seven million, seventeen thousand, four hundred eighty-five".

Divisors: 1 5 7 35 1429 7145 10003 50015 406804499 2034022495 2847631493 14238157465 581323629071 2906618145355 4069265403497 20346327017485