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6494329898620 = 225331981016601
BaseRepresentation
bin101111010000001010000…
…1110100000011001111100
3211222212000000110021021221
41132200110032200121330
51322400341423223440
621451242020203124
71240125356215654
oct136402416403174
924885000407257
106494329898620
112084258a14853
1288a789b394a4
1338154987a6a5
14186481d5b364
15b3debdead4a
hex5e8143a067c

6494329898620 has 24 divisors (see below), whose sum is σ = 13679295498288. Its totient is φ = 2589883824000.

The previous prime is 6494329898603. The next prime is 6494329898647. The reversal of 6494329898620 is 268989234946.

It is a self number, because there is not a number n which added to its sum of digits gives 6494329898620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490501681 + ... + 490514920.

It is an arithmetic number, because the mean of its divisors is an integer number (569970645762).

Almost surely, 26494329898620 is an apocalyptic number.

It is an amenable number.

6494329898620 is an abundant number, since it is smaller than the sum of its proper divisors (7184965599668).

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

6494329898620 is a wasteful number, since it uses less digits than its factorization.

6494329898620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981016941 (or 981016939 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 70.

The spelling of 6494329898620 in words is "six trillion, four hundred ninety-four billion, three hundred twenty-nine million, eight hundred ninety-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 981016601 1962033202 3924066404 4905083005 9810166010 19620332020 324716494931 649432989862 1298865979724 1623582474655 3247164949310 6494329898620