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6530311264165 = 513729111377931
BaseRepresentation
bin101111100000111010011…
…1000100001011110100101
3212010021212121202000200021
41133001310320201132211
51323443034140423130
621515552241515141
71242541125612223
oct137016470413645
925107777660607
106530311264165
112098542511297
12895750042ab1
13384a621b5830
141880d6923b13
15b4d05bcb37a
hex5f074e217a5

6530311264165 has 16 divisors (see below), whose sum is σ = 8439293350656. Its totient is φ = 4822314062400.

The previous prime is 6530311264111. The next prime is 6530311264181. The reversal of 6530311264165 is 5614621130356.

It is not a de Polignac number, because 6530311264165 - 29 = 6530311263653 is a prime.

It is a Duffinian number.

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, 4050250 + ... + 5428180.

It is an arithmetic number, because the mean of its divisors is an integer number (527455834416).

Almost surely, 26530311264165 is an apocalyptic number.

6530311264165 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6530311264165 is a deficient number, since it is larger than the sum of its proper divisors (1908982086491).

6530311264165 is a wasteful number, since it uses less digits than its factorization.

6530311264165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450860.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 6530311264165 in words is "six trillion, five hundred thirty billion, three hundred eleven million, two hundred sixty-four thousand, one hundred sixty-five".

Divisors: 1 5 13 65 72911 364555 947843 1377931 4739215 6889655 17913103 89565515 100466327141 502331635705 1306062252833 6530311264165