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70515066500 = 2253197715889
BaseRepresentation
bin100000110101100000…
…1101000011010000100
320202000022112112021122
41001223001220122010
52123403324112000
652221050333112
75044300114154
oct1015301503204
9222008475248
1070515066500
11279a5a0a16a
12117bb42a198
13685a076428
1435ad1b0764
151c7a953085
hex106b068684

70515066500 has 48 divisors (see below), whose sum is σ = 154786872240. Its totient is φ = 28062809600.

The previous prime is 70515066499. The next prime is 70515066571. The reversal of 70515066500 is 566051507.

It can be written as a sum of positive squares in 8 ways, for example, as 1669703044 + 68845363456 = 40862^2 + 262384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259445 + ... + 456444.

It is an arithmetic number, because the mean of its divisors is an integer number (3224726505).

Almost surely, 270515066500 is an apocalyptic number.

It is an amenable number.

70515066500 is an abundant number, since it is smaller than the sum of its proper divisors (84271805740).

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

70515066500 is a wasteful number, since it uses less digits than its factorization.

70515066500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716105 (or 716093 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 70515066500 in words is "seventy billion, five hundred fifteen million, sixty-six thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 197 250 394 500 788 985 1970 3940 4925 9850 19700 24625 49250 98500 715889 1431778 2863556 3579445 7158890 14317780 17897225 35794450 71588900 89486125 141030133 178972250 282060266 357944500 564120532 705150665 1410301330 2820602660 3525753325 7051506650 14103013300 17628766625 35257533250 70515066500