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70095383521 = 138315067991
BaseRepresentation
bin100000101001000000…
…0101010101111100001
320200221001211102110121
41001102000222233201
52122023404233041
652111255200241
75031012633502
oct1012200525741
9220831742417
1070095383521
1127800020129
1211702976081
1367c1132ac7
14356d564ba9
151c53ba27d1
hex105202abe1

70095383521 has 4 divisors (see below), whose sum is σ = 70100465344. Its totient is φ = 70090301700.

The previous prime is 70095383513. The next prime is 70095383543. The reversal of 70095383521 is 12538359007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12538359007 = 46327080689.

It is a cyclic number.

It is not a de Polignac number, because 70095383521 - 23 = 70095383513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70095383621) 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, 2520165 + ... + 2547826.

It is an arithmetic number, because the mean of its divisors is an integer number (17525116336).

Almost surely, 270095383521 is an apocalyptic number.

It is an amenable number.

70095383521 is a deficient number, since it is larger than the sum of its proper divisors (5081823).

70095383521 is a wasteful number, since it uses less digits than its factorization.

70095383521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081822.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 70095383521 in words is "seventy billion, ninety-five million, three hundred eighty-three thousand, five hundred twenty-one".

Divisors: 1 13831 5067991 70095383521