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71472078051 = 31122935691181
BaseRepresentation
bin100001010010000010…
…0010101110011100011
320211111000022202022220
41002210010111303203
52132333322444201
652500034402123
75110100432253
oct1024404256343
9224430282286
1071472078051
1128347141100
1211a27a30343
13698041175a
14366032b963
151cd4992036
hex10a4115ce3

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".

Divisors: 1 3 11 33 121 293 363 569 879 1181 1707 3223 3543 6259 9669 12991 18777 35453 38973 68849 106359 142901 166717 206547 346033 428703 500151 671989 1038099 1833887 2015967 3806363 5501661 7391879 11419089 20172757 22175637 41869993 60518271 81310669 125609979 196892777 243932007 590678331 2165820547 6497461641 23824026017 71472078051