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5311200816 = 243237996847
BaseRepresentation
bin1001111001001001…
…00111111000110000
3111201010221221211100
410330210213320300
541334131411231
62235005244400
7245421314325
oct47444477060
914633857740
105311200816
112286041869
121042863700
1366847b99c
1438554cb4c
152114291e6
hex13c927e30

5311200816 has 60 divisors (see below), whose sum is σ = 15265730272. Its totient is φ = 1722549888.

The previous prime is 5311200799. The next prime is 5311200821. The reversal of 5311200816 is 6180021135.

5311200816 is a `hidden beast` number, since 531 + 120 + 0 + 8 + 1 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5311200816.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493096 + ... + 503751.

Almost surely, 25311200816 is an apocalyptic number.

It is an amenable number.

5311200816 is an abundant number, since it is smaller than the sum of its proper divisors (9954529456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5311200816 is a wasteful number, since it uses less digits than its factorization.

5311200816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996898 (or 996889 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5311200816 is about 72877.9858119034. The cubic root of 5311200816 is about 1744.7407617564.

The spelling of 5311200816 in words is "five billion, three hundred eleven million, two hundred thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 144 148 222 296 333 444 592 666 888 1332 1776 2664 5328 996847 1993694 2990541 3987388 5981082 7974776 8971623 11962164 15949552 17943246 23924328 35886492 36883339 47848656 71772984 73766678 110650017 143545968 147533356 221300034 295066712 331950051 442600068 590133424 663900102 885200136 1327800204 1770400272 2655600408 5311200816