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15323145130 = 258917217017
BaseRepresentation
bin11100100010101010…
…01010001110101010
31110112220012102110201
432101111022032222
5222340211121010
611012300102414
71051502404336
oct162125121652
943486172421
1015323145130
116553574807
122b77834a0a
1315a278b9a7
14a551007c6
155ea39623a
hex39154a3aa

15323145130 has 16 divisors (see below), whose sum is σ = 27891569160. Its totient is φ = 6060389632.

The previous prime is 15323145083. The next prime is 15323145197. The reversal of 15323145130 is 3154132351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11977332481 + 3345812649 = 109441^2 + 57843^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8607619 + ... + 8609398.

Almost surely, 215323145130 is an apocalyptic number.

15323145130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15323145130 is a deficient number, since it is larger than the sum of its proper divisors (12568424030).

15323145130 is a wasteful number, since it uses less digits than its factorization.

15323145130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217113.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 15323145130 its reverse (3154132351), we get a palindrome (18477277481).

The spelling of 15323145130 in words is "fifteen billion, three hundred twenty-three million, one hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 17217017 34434034 86085085 172170170 1532314513 3064629026 7661572565 15323145130