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20607218080115 = 56183814031921
BaseRepresentation
bin1001010111101111111011…
…11010011101100101110011
32200222000211110102000121112
410223313331322131211303
510200112040312030430
6111454454132543535
74224552034365152
oct453677572354563
980860743360545
1020607218080115
116625521416aa7
122389997781bab
13b66338491a64
14513574dc9599
1525b093749195
hex12bdfde9d973

20607218080115 has 16 divisors (see below), whose sum is σ = 25436869498656. Its totient is φ = 16020148185600.

The previous prime is 20607218080103. The next prime is 20607218080151. The reversal of 20607218080115 is 51108081270602.

It is not a de Polignac number, because 20607218080115 - 212 = 20607218076019 is a prime.

It is a Duffinian 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, 406990646 + ... + 407041275.

It is an arithmetic number, because the mean of its divisors is an integer number (1589804343666).

Almost surely, 220607218080115 is an apocalyptic number.

20607218080115 is a deficient number, since it is larger than the sum of its proper divisors (4829651418541).

20607218080115 is an equidigital number, since it uses as much as digits as its factorization.

20607218080115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814032070.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 20607218080115 in words is "twenty trillion, six hundred seven billion, two hundred eighteen million, eighty thousand, one hundred fifteen".

Divisors: 1 5 61 83 305 415 5063 25315 814031921 4070159605 49655947181 67564649443 248279735905 337823247215 4121443616023 20607218080115