Base | Representation |
---|---|
bin | 100000101010011101… |
… | …0101011001000011101 |
3 | 20201001110120201010121 |
4 | 1001110322223020131 |
5 | 2122123400101101 |
6 | 52120200234541 |
7 | 5032144246156 |
oct | 1012472531035 |
9 | 221043521117 |
10 | 70144143901 |
11 | 278255a4567 |
12 | 1171716ba51 |
13 | 67cb275bc0 |
14 | 3575c1892d |
15 | 1c580d50a1 |
hex | 1054eab21d |
70144143901 has 32 divisors (see below), whose sum is σ = 81021846528. Its totient is φ = 60209360640.
The previous prime is 70144143851. The next prime is 70144143913. The reversal of 70144143901 is 10934144107.
It is a happy number.
It is not a de Polignac number, because 70144143901 - 215 = 70144111133 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 (70144143941) 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 31 ways as a sum of consecutive naturals, for example, 20586540 + ... + 20589946.
It is an arithmetic number, because the mean of its divisors is an integer number (2531932704).
Almost surely, 270144143901 is an apocalyptic number.
It is an amenable number.
70144143901 is a deficient number, since it is larger than the sum of its proper divisors (10877702627).
70144143901 is a wasteful number, since it uses less digits than its factorization.
70144143901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5341.
The product of its (nonzero) digits is 12096, while the sum is 34.
The spelling of 70144143901 in words is "seventy billion, one hundred forty-four million, one hundred forty-three thousand, nine hundred one".
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