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70639219201 = 73967660537
BaseRepresentation
bin100000111001001101…
…1001111001000000001
320202022222011010202211
41001302123033020001
52124132120003301
652241243342121
75050335312325
oct1016233171001
9222288133684
1070639219201
1127a59aa7a01
1211834b21941
1368799c5575
1435c188b985
151c867c9051
hex10726cf201

70639219201 has 4 divisors (see below), whose sum is σ = 71606879812. Its totient is φ = 69671558592.

The previous prime is 70639219193. The next prime is 70639219229. The reversal of 70639219201 is 10291293607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46396729201 + 24242490000 = 215399^2 + 155700^2 .

It is a cyclic number.

It is not a de Polignac number, because 70639219201 - 23 = 70639219193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70639219241) 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, 483830196 + ... + 483830341.

It is an arithmetic number, because the mean of its divisors is an integer number (17901719953).

Almost surely, 270639219201 is an apocalyptic number.

It is an amenable number.

70639219201 is a deficient number, since it is larger than the sum of its proper divisors (967660611).

70639219201 is an equidigital number, since it uses as much as digits as its factorization.

70639219201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967660610.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 70639219201 in words is "seventy billion, six hundred thirty-nine million, two hundred nineteen thousand, two hundred one".

Divisors: 1 73 967660537 70639219201