Search a number
-
+
15500201130 = 2325172224457
BaseRepresentation
bin11100110111110001…
…00100110010101010
31111000020100210122100
432123320210302222
5223221022414010
611042023034230
71056052351521
oct163370446252
944006323570
1015500201130
116634506587
123006b9b976
13160037185b
14a7082d4b8
1560abbc2c0
hex39be24caa

15500201130 has 24 divisors (see below), whose sum is σ = 40300523172. Its totient is φ = 4133386944.

The previous prime is 15500201089. The next prime is 15500201131. The reversal of 15500201130 is 3110200551.

15500201130 is a `hidden beast` number, since 1 + 550 + 0 + 2 + 0 + 113 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13970530809 + 1529670321 = 118197^2 + 39111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (15500201131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86112139 + ... + 86112318.

Almost surely, 215500201130 is an apocalyptic number.

15500201130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15500201130 is an abundant number, since it is smaller than the sum of its proper divisors (24800322042).

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

15500201130 is a wasteful number, since it uses less digits than its factorization.

15500201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172224470 (or 172224467 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 15500201130 its reverse (3110200551), we get a palindrome (18610401681).

The spelling of 15500201130 in words is "fifteen billion, five hundred million, two hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 172224457 344448914 516673371 861122285 1033346742 1550020113 1722244570 2583366855 3100040226 5166733710 7750100565 15500201130