Base | Representation |
---|---|
bin | 10000001111001000110001… |
… | …110100110111000100101001 |
3 | 100100211122000100120200211220 |
4 | 100033020301310313010221 |
5 | 33324431023311011240 |
6 | 411512454021212253 |
7 | 21020061436535412 |
oct | 2017106164670451 |
9 | 310748010520756 |
10 | 71408962203945 |
11 | 20831409599933 |
12 | 8013650b61089 |
13 | 30acab42b9522 |
14 | 138c2d8448809 |
15 | 83c79e8685d0 |
hex | 40f231d37129 |
71408962203945 has 16 divisors (see below), whose sum is σ = 114254560698432. Its totient is φ = 38084706118080.
The previous prime is 71408962203923. The next prime is 71408962203979. The reversal of 71408962203945 is 54930226980417.
It is a happy number.
It is not a de Polignac number, because 71408962203945 - 217 = 71408962072873 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906879 + ... + 12573051.
It is an arithmetic number, because the mean of its divisors is an integer number (7140910043652).
It is a 1-persistent number, because it is pandigital, but 2⋅71408962203945 = 142817924407890 is not.
Almost surely, 271408962203945 is an apocalyptic number.
It is an amenable number.
71408962203945 is a deficient number, since it is larger than the sum of its proper divisors (42845598494487).
71408962203945 is a wasteful number, since it uses less digits than its factorization.
71408962203945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9215512.
The product of its (nonzero) digits is 26127360, while the sum is 60.
The spelling of 71408962203945 in words is "seventy-one trillion, four hundred eight billion, nine hundred sixty-two million, two hundred three thousand, nine hundred forty-five".
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