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70472100071 = 368331913287
BaseRepresentation
bin100000110100001110…
…1101110100011100111
320201220022200121102102
41001220131232203213
52123311324200241
652212513402315
75043235652462
oct1015035564347
9221808617372
1070472100071
112798373291a
12117a8b6939b
1368511b15c9
1435a75c82d9
151c76cb739b
hex106876e8e7

70472100071 has 4 divisors (see below), whose sum is σ = 70474050192. Its totient is φ = 70470149952.

The previous prime is 70472100059. The next prime is 70472100103. The reversal of 70472100071 is 17000127407.

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

It is a cyclic number.

It is not a de Polignac number, because 70472100071 - 230 = 69398358247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70472100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919811 + ... + 993476.

It is an arithmetic number, because the mean of its divisors is an integer number (17618512548).

Almost surely, 270472100071 is an apocalyptic number.

70472100071 is a deficient number, since it is larger than the sum of its proper divisors (1950121).

70472100071 is a wasteful number, since it uses less digits than its factorization.

70472100071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950120.

The product of its (nonzero) digits is 2744, while the sum is 29.

Adding to 70472100071 its reverse (17000127407), we get a palindrome (87472227478).

The spelling of 70472100071 in words is "seventy billion, four hundred seventy-two million, one hundred thousand, seventy-one".

Divisors: 1 36833 1913287 70472100071