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70385089529 = 313761364507
BaseRepresentation
bin100000110001101000…
…1110011101111111001
320201200020222000101202
41001203101303233321
52123122040331104
652200124423545
75041131250436
oct1014321635771
9221606860352
1070385089529
1127939603587
12117839a7bb5
136839168291
143599c18b8d
151c6e32b51e
hex1063473bf9

70385089529 has 8 divisors (see below), whose sum is σ = 74619241728. Its totient is φ = 66273666480.

The previous prime is 70385089513. The next prime is 70385089531. The reversal of 70385089529 is 92598058307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70385089529 - 24 = 70385089513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70385089829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30681107 + ... + 30683400.

It is an arithmetic number, because the mean of its divisors is an integer number (9327405216).

Almost surely, 270385089529 is an apocalyptic number.

It is an amenable number.

70385089529 is a deficient number, since it is larger than the sum of its proper divisors (4234152199).

70385089529 is a wasteful number, since it uses less digits than its factorization.

70385089529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61364575.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 70385089529 in words is "seventy billion, three hundred eighty-five million, eighty-nine thousand, five hundred twenty-nine".

Divisors: 1 31 37 1147 61364507 1902299717 2270486759 70385089529