Search a number
-
+
206101506218500 = 22535375131093331
BaseRepresentation
bin101110110111001010111111…
…000100001101101000000100
31000000202010000100000210001201
4232313022333010031220010
5204003231341042443000
62010201420323032244
761261225312412044
oct5667127704155004
91000663010023051
10206101506218500
115a741181229082
121b147a2950b684
138b0039a1b9c59
1438c751a915724
1518c628e5d896a
hexbb72bf10da04

206101506218500 has 192 divisors, whose sum is σ = 459514923678720. Its totient is φ = 80727192000000.

The previous prime is 206101506218423. The next prime is 206101506218513. The reversal of 206101506218500 is 5812605101602.

206101506218500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 206101506218500.

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, 61873761835 + ... + 61873765165.

It is an arithmetic number, because the mean of its divisors is an integer number (2393306894160).

Almost surely, 2206101506218500 is an apocalyptic number.

206101506218500 is a gapful number since it is divisible by the number (20) 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 206101506218500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229757461839360).

206101506218500 is an abundant number, since it is smaller than the sum of its proper divisors (253413417460220).

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

206101506218500 is a wasteful number, since it uses less digits than its factorization.

206101506218500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263 (or 7251 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 206101506218500 in words is "two hundred six trillion, one hundred one billion, five hundred six million, two hundred eighteen thousand, five hundred".