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70505002505 = 5719910122757
BaseRepresentation
bin100000110101001101…
…1001111011000001001
320201222121121020002002
41001222123033120021
52123343240040010
652220050520345
75044115430110
oct1015233173011
9221877536062
1070505002505
11279a0265a13
12117b7b960b5
136857c616c2
1435abb10c77
151c79b161a5
hex106a6cf609

70505002505 has 16 divisors (see below), whose sum is σ = 97178476800. Its totient is φ = 48103336512.

The previous prime is 70505002483. The next prime is 70505002511. The reversal of 70505002505 is 50520050507.

It is not a de Polignac number, because 70505002505 - 212 = 70504998409 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 5054414 + ... + 5068343.

It is an arithmetic number, because the mean of its divisors is an integer number (6073654800).

Almost surely, 270505002505 is an apocalyptic number.

It is an amenable number.

70505002505 is a deficient number, since it is larger than the sum of its proper divisors (26673474295).

70505002505 is a wasteful number, since it uses less digits than its factorization.

70505002505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122968.

The product of its (nonzero) digits is 8750, while the sum is 29.

The spelling of 70505002505 in words is "seventy billion, five hundred five million, two thousand, five hundred five".

Divisors: 1 5 7 35 199 995 1393 6965 10122757 50613785 70859299 354296495 2014428643 10072143215 14101000501 70505002505