Base | Representation |
---|---|
bin | 100001001011011111… |
… | …0001111010100000001 |
3 | 20210220200220200002220 |
4 | 1002112332033110001 |
5 | 2131411101443120 |
6 | 52422145401253 |
7 | 5101462123044 |
oct | 1022676172401 |
9 | 223820820086 |
10 | 71252374785 |
11 | 28244120859 |
12 | 11986339229 |
13 | 6946a49117 |
14 | 363d09ac5b |
15 | 1cc0544b40 |
hex | 1096f8f501 |
71252374785 has 16 divisors (see below), whose sum is σ = 114268320000. Its totient is φ = 37913093120.
The previous prime is 71252374733. The next prime is 71252374849. The reversal of 71252374785 is 58747325217.
It is not a de Polignac number, because 71252374785 - 29 = 71252374273 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 5504160 + ... + 5517089.
It is an arithmetic number, because the mean of its divisors is an integer number (7141770000).
Almost surely, 271252374785 is an apocalyptic number.
It is an amenable number.
71252374785 is a deficient number, since it is larger than the sum of its proper divisors (43015945215).
71252374785 is a wasteful number, since it uses less digits than its factorization.
71252374785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11021688.
The product of its digits is 3292800, while the sum is 51.
The spelling of 71252374785 in words is "seventy-one billion, two hundred fifty-two million, three hundred seventy-four thousand, seven hundred eighty-five".
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