Search a number
-
+
98540248887 = 32531039198829
BaseRepresentation
bin101101111000101110…
…1001101111100110111
3100102100102212022011200
41123301131031330313
53103302300431022
6113134015303543
710055630203233
oct1336135157467
9312312768150
1098540248887
1138877446523
1217120b1abb3
1393a52703a2
144aab2375c3
15286aee0bac
hex16f174df37

98540248887 has 24 divisors (see below), whose sum is σ = 145161806400. Its totient is φ = 64391640768.

The previous prime is 98540248867. The next prime is 98540248903. The reversal of 98540248887 is 78884204589.

98540248887 is a `hidden beast` number, since 9 + 8 + 540 + 2 + 4 + 8 + 8 + 87 = 666.

It is not a de Polignac number, because 98540248887 - 223 = 98531860279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98540248867) 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, 396189 + ... + 595017.

It is an arithmetic number, because the mean of its divisors is an integer number (6048408600).

Almost surely, 298540248887 is an apocalyptic number.

98540248887 is a deficient number, since it is larger than the sum of its proper divisors (46621557513).

98540248887 is a wasteful number, since it uses less digits than its factorization.

98540248887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199927 (or 199924 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 63.

It can be divided in two parts, 985402 and 48887, that added together give a square (1034289 = 10172).

The spelling of 98540248887 in words is "ninety-eight billion, five hundred forty million, two hundred forty-eight thousand, eight hundred eighty-seven".

Divisors: 1 3 9 53 159 477 1039 3117 9351 55067 165201 198829 495603 596487 1789461 10537937 31613811 94841433 206583331 619749993 1859249979 10948916543 32846749629 98540248887