Search a number
-
+
102411344140 = 225729891392039
BaseRepresentation
bin101111101100000110…
…0010001100100001100
3100210100020000022112221
41133120030101210030
53134214301003030
6115014102305124
710253564030230
oct1373014214414
9323306008487
10102411344140
113a4835966a6
1217a214281a4
13987126a9b1
144d573d45c0
1529e5ca1e7a
hex17d831190c

102411344140 has 192 divisors, whose sum is σ = 259096320000. Its totient is φ = 33263290368.

The previous prime is 102411344131. The next prime is 102411344159. The reversal of 102411344140 is 41443114201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50225241 + ... + 50227279.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460000).

Almost surely, 2102411344140 is an apocalyptic number.

102411344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102411344140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129548160000).

102411344140 is an abundant number, since it is smaller than the sum of its proper divisors (156684975860).

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

102411344140 is a wasteful number, since it uses less digits than its factorization.

102411344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 102411344140 its reverse (41443114201), we get a palindrome (143854458341).

The spelling of 102411344140 in words is "one hundred two billion, four hundred eleven million, three hundred forty-four thousand, one hundred forty".