Search a number
-
+
5420115021 = 315601115807
BaseRepresentation
bin1010000110001000…
…00110010001001101
3111222201220101000210
411003010012101031
542100022140041
62253455513033
7251213134416
oct50304062115
914881811023
105420115021
112331571702
121073228779
13684bc3a69
14395bc080d
1521ac90016
hex14310644d

5420115021 has 8 divisors (see below), whose sum is σ = 7227345664. Its totient is φ = 3613147200.

The previous prime is 5420114983. The next prime is 5420115031. The reversal of 5420115021 is 1205110245.

5420115021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5420115021 - 217 = 5419983949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420115031) 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, 11101 + ... + 104706.

It is an arithmetic number, because the mean of its divisors is an integer number (903418208).

Almost surely, 25420115021 is an apocalyptic number.

It is an amenable number.

5420115021 is a deficient number, since it is larger than the sum of its proper divisors (1807230643).

5420115021 is a wasteful number, since it uses less digits than its factorization.

5420115021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131411.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5420115021 is about 73621.4304465758. The cubic root of 5420115021 is about 1756.5863391567.

Adding to 5420115021 its reverse (1205110245), we get a palindrome (6625225266).

The spelling of 5420115021 in words is "five billion, four hundred twenty million, one hundred fifteen thousand, twenty-one".

Divisors: 1 3 15601 46803 115807 347421 1806705007 5420115021