Search a number
-
+
15142220051 = 722910656031
BaseRepresentation
bin11100001101000101…
…11111000100010011
31110002021202110220212
432012202333010103
5222002402020201
610542314154335
71044144514100
oct160642770423
943067673825
1015142220051
116470430052
122b271229ab
131574152a2a
14a39085aa7
155d9558abb
hex3868bf113

15142220051 has 12 divisors (see below), whose sum is σ = 18221814720. Its totient is φ = 12531491280.

The previous prime is 15142220047. The next prime is 15142220083. The reversal of 15142220051 is 15002224151.

15142220051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15142220051 - 22 = 15142220047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15142219999 and 15142220026.

It is not an unprimeable number, because it can be changed into a prime (15142220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5326595 + ... + 5329436.

It is an arithmetic number, because the mean of its divisors is an integer number (1518484560).

Almost surely, 215142220051 is an apocalyptic number.

15142220051 is a deficient number, since it is larger than the sum of its proper divisors (3079594669).

15142220051 is a wasteful number, since it uses less digits than its factorization.

15142220051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656074 (or 10656067 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 15142220051 in words is "fifteen billion, one hundred forty-two million, two hundred twenty thousand, fifty-one".

Divisors: 1 7 29 49 203 1421 10656031 74592217 309024899 522145519 2163174293 15142220051