Base | Representation |
---|---|
bin | 100001010010000010… |
… | …0000100110011100100 |
3 | 20211111000012012210222 |
4 | 1002210010010303210 |
5 | 2132333313232140 |
6 | 52500033103512 |
7 | 5110100022251 |
oct | 1024404046344 |
9 | 224430165728 |
10 | 71472008420 |
11 | 283470a385a |
12 | 11a279b7b98 |
13 | 69803b8b57 |
14 | 3660310428 |
15 | 1cd497b5b5 |
hex | 10a4104ce4 |
71472008420 has 24 divisors (see below), whose sum is σ = 150219440448. Its totient is φ = 28564380000.
The previous prime is 71472008417. The next prime is 71472008449. The reversal of 71472008420 is 2480027417.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502456 + ... + 1549295.
It is an arithmetic number, because the mean of its divisors is an integer number (6259143352).
Almost surely, 271472008420 is an apocalyptic number.
It is an amenable number.
71472008420 is an abundant number, since it is smaller than the sum of its proper divisors (78747432028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71472008420 is a wasteful number, since it uses less digits than its factorization.
71472008420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3052931 (or 3052929 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 35.
The spelling of 71472008420 in words is "seventy-one billion, four hundred seventy-two million, eight thousand, four hundred twenty".
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