Search a number
-
+
2151531002300 = 225221515310023
BaseRepresentation
bin11111010011110001001…
…111011011100110111100
321121200110220011100011112
4133103301033123212330
5240222313414033200
64324222200141152
7311304641525621
oct37236117334674
97550426140145
102151531002300
1175a506184699
122a8b934677b8
13127b7206c044
14761c56d4348
153ae761cc535
hex1f4f13db9bc

2151531002300 has 18 divisors (see below), whose sum is σ = 4668822275208. Its totient is φ = 860612400880.

The previous prime is 2151531002261. The next prime is 2151531002321. The reversal of 2151531002300 is 32001351512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10757654912 + ... + 10757655111.

Almost surely, 22151531002300 is an apocalyptic number.

2151531002300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151531002300 is an abundant number, since it is smaller than the sum of its proper divisors (2517291272908).

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

2151531002300 is a wasteful number, since it uses less digits than its factorization.

2151531002300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21515310037 (or 21515310030 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 2151531002300 its reverse (32001351512), we get a palindrome (2183532353812).

The spelling of 2151531002300 in words is "two trillion, one hundred fifty-one billion, five hundred thirty-one million, two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21515310023 43030620046 86061240092 107576550115 215153100230 430306200460 537882750575 1075765501150 2151531002300