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4627097919981 = 322930869574309
BaseRepresentation
bin100001101010101010010…
…0001110010000111101101
3121101100100102001201102100
41003111110201302013231
51101302244031414411
613501354234445313
7655203541244235
oct103252441620755
917340312051370
104627097919981
111524383169559
12628919893839
132774447cc604
1411dd4a434cc5
1580564ca1456
hex435548721ed

4627097919981 has 24 divisors (see below), whose sum is σ = 6914290383000. Its totient is φ = 2978260209792.

The previous prime is 4627097919947. The next prime is 4627097920001. The reversal of 4627097919981 is 1899197907264.

4627097919981 is a `hidden beast` number, since 4 + 6 + 270 + 97 + 9 + 199 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 87769395081 + 4539328524900 = 296259^2 + 2130570^2 .

It is not a de Polignac number, because 4627097919981 - 227 = 4626963702253 is a prime.

It is a super-2 number, since 2×46270979199812 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4627097919901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7769655 + ... + 8343963.

It is an arithmetic number, because the mean of its divisors is an integer number (288095432625).

Almost surely, 24627097919981 is an apocalyptic number.

It is an amenable number.

4627097919981 is a deficient number, since it is larger than the sum of its proper divisors (2287192463019).

4627097919981 is a wasteful number, since it uses less digits than its factorization.

4627097919981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605213 (or 605210 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 72.

The spelling of 4627097919981 in words is "four trillion, six hundred twenty-seven billion, ninety-seven million, nine hundred nineteen thousand, nine hundred eighty-one".

Divisors: 1 3 9 29 87 261 30869 92607 277821 574309 895201 1722927 2685603 5168781 8056809 16654961 49964883 149894649 17728344521 53185033563 159555100689 514121991109 1542365973327 4627097919981