Base | Representation |
---|---|
bin | 100001010010000010… |
… | …0010101110011100011 |
3 | 20211111000022202022220 |
4 | 1002210010111303203 |
5 | 2132333322444201 |
6 | 52500034402123 |
7 | 5110100432253 |
oct | 1024404256343 |
9 | 224430282286 |
10 | 71472078051 |
11 | 28347141100 |
12 | 11a27a30343 |
13 | 698041175a |
14 | 366032b963 |
15 | 1cd4992036 |
hex | 10a4115ce3 |
71472078051 has 48 divisors (see below), whose sum is σ = 105378325920. Its totient is φ = 43056217600.
The previous prime is 71472078049. The next prime is 71472078107. The reversal of 71472078051 is 15087027417.
It is not a de Polignac number, because 71472078051 - 21 = 71472078049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71472077994 and 71472078012.
It is not an unprimeable number, because it can be changed into a prime (71472078001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60517681 + ... + 60518861.
It is an arithmetic number, because the mean of its divisors is an integer number (2195381790).
Almost surely, 271472078051 is an apocalyptic number.
71472078051 is the 142901-st nonagonal number.
71472078051 is a deficient number, since it is larger than the sum of its proper divisors (33906247869).
71472078051 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (71472078050) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2068).
71472078051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2068 (or 2057 counting only the distinct ones).
The product of its (nonzero) digits is 109760, while the sum is 42.
The spelling of 71472078051 in words is "seventy-one billion, four hundred seventy-two million, seventy-eight thousand, fifty-one".
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