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7700070007 = 71100010001
BaseRepresentation
bin1110010101111010…
…11011111001110111
3201212122001002022001
413022331123321313
5111232204220012
63312023120131
7361546341460
oct71275337167
921778032261
107700070007
1132a1541623
1215aa8a3047
1395936b156
14530911d67
15301002357
hex1caf5be77

7700070007 has 4 divisors (see below), whose sum is σ = 8800080016. Its totient is φ = 6600060000.

The previous prime is 7700069929. The next prime is 7700070031. The reversal of 7700070007 is 7000700077.

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-7700070007 is a prime.

It is a super-2 number, since 2×77000700072 (a number of 21 digits) contains 22 as substring.

7700070007 is a modest number, since divided by 70007 gives 77 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700070907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550004994 + ... + 550005007.

It is an arithmetic number, because the mean of its divisors is an integer number (2200020004).

Almost surely, 27700070007 is an apocalyptic number.

7700070007 is a deficient number, since it is larger than the sum of its proper divisors (1100010009).

7700070007 is a wasteful number, since it uses less digits than its factorization.

7700070007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100010008.

The product of its (nonzero) digits is 2401, while the sum is 28.

The square root of 7700070007 is about 87750.0427749183. The cubic root of 7700070007 is about 1974.6868066739.

The spelling of 7700070007 in words is "seven billion, seven hundred million, seventy thousand, seven".

Divisors: 1 7 1100010001 7700070007