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70861286722205 = 5712713159254951
BaseRepresentation
bin10000000111001010101101…
…110100101100101010011101
3100021220021100220112120120102
4100013022231310230222131
533241442403400102310
6410413120431030445
720632362513002330
oct2007125564545235
9307807326476512
1070861286722205
1120640115006361
127b4548566b425
133070262b79a35
14136d9c1506617
1582d3e84a68a5
hex4072add2ca9d

70861286722205 has 16 divisors (see below), whose sum is σ = 97188838066944. Its totient is φ = 48586774185600.

The previous prime is 70861286722199. The next prime is 70861286722217. The reversal of 70861286722205 is 50222768216807.

It is not a de Polignac number, because 70861286722205 - 26 = 70861286722141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 79182521 + ... + 80072430.

It is an arithmetic number, because the mean of its divisors is an integer number (6074302379184).

Almost surely, 270861286722205 is an apocalyptic number.

It is an amenable number.

70861286722205 is a deficient number, since it is larger than the sum of its proper divisors (26327551344739).

70861286722205 is a wasteful number, since it uses less digits than its factorization.

70861286722205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159267676.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 70861286722205 in words is "seventy trillion, eight hundred sixty-one billion, two hundred eighty-six million, seven hundred twenty-two thousand, two hundred five".

Divisors: 1 5 7 35 12713 63565 88991 444955 159254951 796274755 1114784657 5573923285 2024608192063 10123040960315 14172257344441 70861286722205