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31029008064 = 263315213207
BaseRepresentation
bin11100111001011110…
…010001011011000000
32222002110112221001220
4130321132101123000
51002021411224224
622130551155040
72145633134235
oct347136213300
988073487056
1031029008064
111218308001a
12601b675a80
132c0661a902
141704d8778c
15c1913a279
hex7397916c0

31029008064 has 56 divisors (see below), whose sum is σ = 84745909248. Its totient is φ = 10009355520.

The previous prime is 31029008027. The next prime is 31029008071. The reversal of 31029008064 is 46080092013.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2600652 + ... + 2612555.

It is an arithmetic number, because the mean of its divisors is an integer number (1513319808).

Almost surely, 231029008064 is an apocalyptic number.

It is an amenable number.

31029008064 is an abundant number, since it is smaller than the sum of its proper divisors (53716901184).

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

31029008064 is a wasteful number, since it uses less digits than its factorization.

31029008064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213253 (or 5213243 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 31029008064 in words is "thirty-one billion, twenty-nine million, eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 186 192 248 372 496 744 992 1488 1984 2976 5952 5213207 10426414 15639621 20852828 31279242 41705656 62558484 83411312 125116968 161609417 166822624 250233936 323218834 333645248 484828251 500467872 646437668 969656502 1000935744 1292875336 1939313004 2585750672 3878626008 5171501344 7757252016 10343002688 15514504032 31029008064