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102363430240 = 2551933672181
BaseRepresentation
bin101111101010101010…
…1011111110101100000
3100210012212212001001001
41133111111133311200
53134120014231430
6115005231321344
710252442541451
oct1372525376540
9323185761031
10102363430240
113a459540235
1217a09380254
139864362c86
144d50cc1128
1529e198a3ca
hex17d555fd60

102363430240 has 48 divisors (see below), whose sum is σ = 254561695920. Its totient is φ = 38790351360.

The previous prime is 102363430231. The next prime is 102363430277. The reversal of 102363430240 is 42034363201.

It is a junction number, because it is equal to n+sod(n) for n = 102363430199 and 102363430208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16833051 + ... + 16839130.

It is an arithmetic number, because the mean of its divisors is an integer number (5303368665).

Almost surely, 2102363430240 is an apocalyptic number.

102363430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102363430240 is an abundant number, since it is smaller than the sum of its proper divisors (152198265680).

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

102363430240 is a wasteful number, since it uses less digits than its factorization.

102363430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672215 (or 33672207 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 102363430240 its reverse (42034363201), we get a palindrome (144397793441).

The spelling of 102363430240 in words is "one hundred two billion, three hundred sixty-three million, four hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 33672181 67344362 134688724 168360905 269377448 336721810 538754896 639771439 673443620 1077509792 1279542878 1346887240 2559085756 2693774480 3198857195 5118171512 5387548960 6397714390 10236343024 12795428780 20472686048 25590857560 51181715120 102363430240