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70506702340 = 2259736343661
BaseRepresentation
bin100000110101010000…
…1101110011000000100
320201222201210120210221
41001222201232120010
52123344203433330
652220151154124
75044136036644
oct1015241563004
9221881716727
1070506702340
11279a1217038
12117b8675944
136858408319
1435ac034524
151c79d4eb7a
hex106a86e604

70506702340 has 24 divisors (see below), whose sum is σ = 149590512792. Its totient is φ = 27911930880.

The previous prime is 70506702317. The next prime is 70506702361. The reversal of 70506702340 is 4320760507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4769856 + 70501932484 = 2184^2 + 265522^2 .

It is a super-2 number, since 2×705067023402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70506702296 and 70506702305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18169891 + ... + 18173770.

It is an arithmetic number, because the mean of its divisors is an integer number (6232938033).

Almost surely, 270506702340 is an apocalyptic number.

It is an amenable number.

70506702340 is an abundant number, since it is smaller than the sum of its proper divisors (79083810452).

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

70506702340 is a wasteful number, since it uses less digits than its factorization.

70506702340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36343767 (or 36343765 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 70506702340 in words is "seventy billion, five hundred six million, seven hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 36343661 72687322 145374644 181718305 363436610 726873220 3525335117 7050670234 14101340468 17626675585 35253351170 70506702340