Search a number
-
+
2040520051 = 15731914073
BaseRepresentation
bin111100110011111…
…1101110101110011
312021012121011021201
41321213331311303
513134333120201
6534251232031
7101365064023
oct17147756563
95235534251
102040520051
11957902a09
1248b448617
1326699381b
14155005a83
15be218801
hex799fdd73

2040520051 has 8 divisors (see below), whose sum is σ = 2054664864. Its totient is φ = 2026390080.

The previous prime is 2040519989. The next prime is 2040520073. The reversal of 2040520051 is 1500250402.

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

It is a cyclic number.

It is not a de Polignac number, because 2040520051 - 211 = 2040518003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040520091) 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, 498951 + ... + 503023.

It is an arithmetic number, because the mean of its divisors is an integer number (256833108).

Almost surely, 22040520051 is an apocalyptic number.

2040520051 is a deficient number, since it is larger than the sum of its proper divisors (14144813).

2040520051 is a wasteful number, since it uses less digits than its factorization.

2040520051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2040520051 is about 45172.1158570196. The cubic root of 2040520051 is about 1268.3729035796.

Adding to 2040520051 its reverse (1500250402), we get a palindrome (3540770453).

The spelling of 2040520051 in words is "two billion, forty million, five hundred twenty thousand, fifty-one".

Divisors: 1 157 3191 4073 500987 639461 12996943 2040520051