Search a number
-
+
102203885718 = 232111013509557
BaseRepresentation
bin101111100101111010…
…0111000100010010110
3100202210202122100002200
41133023310320202112
53133303143320333
6114541331545330
710245464460204
oct1371364704226
9322722570080
10102203885718
113a38747a060
1217983a5b246
13983a2a192c
144d37a30074
1529d2972c13
hex17cbd38896

102203885718 has 48 divisors (see below), whose sum is σ = 241811768016. Its totient is φ = 30940240320.

The previous prime is 102203885699. The next prime is 102203885723. The reversal of 102203885718 is 817588302201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54205 + ... + 455352.

It is an arithmetic number, because the mean of its divisors is an integer number (5037745167).

Almost surely, 2102203885718 is an apocalyptic number.

102203885718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102203885718 is an abundant number, since it is smaller than the sum of its proper divisors (139607882298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102203885718 is a wasteful number, since it uses less digits than its factorization.

102203885718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510589 (or 510586 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 102203885718 in words is "one hundred two billion, two hundred three million, eight hundred eighty-five thousand, seven hundred eighteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1013 2026 3039 6078 9117 11143 18234 22286 33429 66858 100287 200574 509557 1019114 1528671 3057342 4586013 5605127 9172026 11210254 16815381 33630762 50446143 100892286 516181241 1032362482 1548543723 3097087446 4645631169 5677993651 9291262338 11355987302 17033980953 34067961906 51101942859 102203885718