Base | Representation |
---|---|
bin | 111000010010010000… |
… | …1111000001100101111 |
3 | 102112222202220000011222 |
4 | 1300210201320030233 |
5 | 3440021204220012 |
6 | 131310001133555 |
7 | 11506214403062 |
oct | 1604441701457 |
9 | 375882800158 |
10 | 120871945007 |
11 | 47297075330 |
12 | 1b51392a2bb |
13 | b523a3a168 |
14 | 5bc907c8d9 |
15 | 32267de972 |
hex | 1c2487832f |
120871945007 has 8 divisors (see below), whose sum is σ = 132733552512. Its totient is φ = 109155879000.
The previous prime is 120871945001. The next prime is 120871945013. The reversal of 120871945007 is 700549178021.
It is an interprime number because it is at equal distance from previous prime (120871945001) and next prime (120871945013).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120871945007 is a prime.
It is a super-2 number, since 2×1208719450072 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120871945001) 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 7 ways as a sum of consecutive naturals, for example, 36383633 + ... + 36386954.
It is an arithmetic number, because the mean of its divisors is an integer number (16591694064).
Almost surely, 2120871945007 is an apocalyptic number.
120871945007 is a deficient number, since it is larger than the sum of its proper divisors (11861607505).
120871945007 is a wasteful number, since it uses less digits than its factorization.
120871945007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72770749.
The product of its (nonzero) digits is 141120, while the sum is 44.
The spelling of 120871945007 in words is "one hundred twenty billion, eight hundred seventy-one million, nine hundred forty-five thousand, seven".
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