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70005078703 = 710000725529
BaseRepresentation
bin100000100110010100…
…0001011101010101111
320200200202220110112201
41001030220023222233
52121332300004303
652054311442331
75025535231240
oct1011450135257
9220622813481
1070005078703
112776405084a
12116986863a7
1367a85051c1
143561578cc7
151c4acb581d
hex104ca0baaf

70005078703 has 4 divisors (see below), whose sum is σ = 80005804240. Its totient is φ = 60004353168.

The previous prime is 70005078683. The next prime is 70005078721. The reversal of 70005078703 is 30787050007.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70005078703 is a prime.

It is a super-2 number, since 2×700050787032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70005078103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000362758 + ... + 5000362771.

It is an arithmetic number, because the mean of its divisors is an integer number (20001451060).

Almost surely, 270005078703 is an apocalyptic number.

70005078703 is a deficient number, since it is larger than the sum of its proper divisors (10000725537).

70005078703 is a wasteful number, since it uses less digits than its factorization.

70005078703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000725536.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 70005078703 in words is "seventy billion, five million, seventy-eight thousand, seven hundred three".

Divisors: 1 7 10000725529 70005078703