Search a number
-
+
2152500051 = 31355192309
BaseRepresentation
bin1000000001001100…
…1000101101010011
312120000022022222010
42000103020231103
513402020000201
6553331314003
7104224643232
oct20023105523
95500268863
102152500051
11a05037169
12500a4b903
13283c40190
14165c34b19
15c8e87bd6
hex804c8b53

2152500051 has 8 divisors (see below), whose sum is σ = 3090769360. Its totient is φ = 1324615392.

The previous prime is 2152500047. The next prime is 2152500059. The reversal of 2152500051 is 1500052512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2152500051 - 22 = 2152500047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152500059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27596116 + ... + 27596193.

It is an arithmetic number, because the mean of its divisors is an integer number (386346170).

Almost surely, 22152500051 is an apocalyptic number.

2152500051 is a deficient number, since it is larger than the sum of its proper divisors (938269309).

2152500051 is a wasteful number, since it uses less digits than its factorization.

2152500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55192325.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2152500051 is about 46395.0433882759. The cubic root of 2152500051 is about 1291.1629540290.

Adding to 2152500051 its reverse (1500052512), we get a palindrome (3652552563).

The spelling of 2152500051 in words is "two billion, one hundred fifty-two million, five hundred thousand, fifty-one".

Divisors: 1 3 13 39 55192309 165576927 717500017 2152500051