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2795205985 = 5111323315483
BaseRepresentation
bin1010011010011011…
…0111010101100001
321012210200011202121
42212212313111201
521211033042420
61141210544241
7126160600405
oct24646672541
97183604677
102795205985
1112049036a0
12660138081
1335713c150
141c7337105
151155de2aa
hexa69b7561

2795205985 has 64 divisors (see below), whose sum is σ = 4245405696. Its totient is φ = 1736697600.

The previous prime is 2795205983. The next prime is 2795206003. The reversal of 2795205985 is 5895025972.

It is not a de Polignac number, because 2795205985 - 21 = 2795205983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2795205983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 507054 + ... + 512536.

It is an arithmetic number, because the mean of its divisors is an integer number (66334464).

Almost surely, 22795205985 is an apocalyptic number.

It is an amenable number.

2795205985 is a deficient number, since it is larger than the sum of its proper divisors (1450199711).

2795205985 is a wasteful number, since it uses less digits than its factorization.

2795205985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The square root of 2795205985 is about 52869.7076311190. The cubic root of 2795205985 is about 1408.6548855617.

The spelling of 2795205985 in words is "two billion, seven hundred ninety-five million, two hundred five thousand, nine hundred eighty-five".

Divisors: 1 5 11 13 23 31 55 65 115 143 155 253 299 341 403 713 715 1265 1495 1705 2015 3289 3565 4433 5483 7843 9269 16445 22165 27415 39215 46345 60313 71279 101959 126109 169973 301565 356395 509795 630545 784069 849865 1387199 1639417 1869703 2209649 3909379 3920345 6935995 8197085 9348515 11048245 18033587 19546895 24306139 43003169 50821927 90167935 121530695 215015845 254109635 559041197 2795205985