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70503358993 = 313721031272
BaseRepresentation
bin100000110101001010…
…0111110001000010001
320201222111111201121021
41001222110332020101
52123342324441433
652215551355441
75044065443404
oct1015224761021
9221874451537
1070503358993
112799a343141
12117b7522b81
136857807602
1435ab803d3b
151c798de22d
hex106a53e211

70503358993 has 36 divisors (see below), whose sum is σ = 76123337472. Its totient is φ = 65222871840.

The previous prime is 70503358969. The next prime is 70503358999. The reversal of 70503358993 is 39985330507.

It is a de Polignac number, because none of the positive numbers 2k-70503358993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70503358993.

It is not an unprimeable number, because it can be changed into a prime (70503358999) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 555144496 + ... + 555144622.

It is an arithmetic number, because the mean of its divisors is an integer number (2114537152).

Almost surely, 270503358993 is an apocalyptic number.

It is an amenable number.

70503358993 is a deficient number, since it is larger than the sum of its proper divisors (5619978479).

70503358993 is a wasteful number, since it uses less digits than its factorization.

70503358993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 70503358993 in words is "seventy billion, five hundred three million, three hundred fifty-eight thousand, nine hundred ninety-three".

Divisors: 1 31 37 103 127 1147 1369 3193 3811 3937 4699 13081 16129 42439 118141 141007 145669 173863 405511 483997 499999 596773 1661287 4371217 5389753 15003907 17907889 18499963 22080601 51499897 61467619 555144559 684498631 1905496189 2274301903 70503358993