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70434966529 = 218717322037
BaseRepresentation
bin100000110011001000…
…0000100110000000001
320201210201211000210001
41001212100010300001
52123222322412104
652205105440001
75042305223434
oct1014620046001
9221721730701
1070434966529
112796477a944
1211798640001
1368465ac6b5
1435a26bd81b
151c738ceaa4
hex1066404c01

70434966529 has 4 divisors (see below), whose sum is σ = 70435507284. Its totient is φ = 70434425776.

The previous prime is 70434966493. The next prime is 70434966551. The reversal of 70434966529 is 92566943407.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 41322758400 + 29112208129 = 203280^2 + 170623^2 .

It is a cyclic number.

It is not a de Polignac number, because 70434966529 - 215 = 70434933761 is a prime.

It is a super-2 number, since 2×704349665292 (a number of 22 digits) contains 22 as substring.

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 70434966529.

It is not an unprimeable number, because it can be changed into a prime (70434966599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57699 + ... + 379735.

It is an arithmetic number, because the mean of its divisors is an integer number (17608876821).

Almost surely, 270434966529 is an apocalyptic number.

It is an amenable number.

70434966529 is a deficient number, since it is larger than the sum of its proper divisors (540755).

70434966529 is a wasteful number, since it uses less digits than its factorization.

70434966529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540754.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 70434966529 in words is "seventy billion, four hundred thirty-four million, nine hundred sixty-six thousand, five hundred twenty-nine".

Divisors: 1 218717 322037 70434966529