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15483238450 = 252309664769
BaseRepresentation
bin11100110101101111…
…10111100000110010
31110222001110000012221
432122313313200302
5223202202112300
611040215311254
71055455232611
oct163267674062
943861400187
1015483238450
116625980239
12300137b52a
1315c99b2a74
14a6c495878
1560946b31a
hex39adf7832

15483238450 has 12 divisors (see below), whose sum is σ = 28798823610. Its totient is φ = 6193295360.

The previous prime is 15483238439. The next prime is 15483238457. The reversal of 15483238450 is 5483238451.

It can be written as a sum of positive squares in 3 ways, for example, as 13384407481 + 2098830969 = 115691^2 + 45813^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15483238397 and 15483238406.

It is not an unprimeable number, because it can be changed into a prime (15483238457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154832335 + ... + 154832434.

Almost surely, 215483238450 is an apocalyptic number.

15483238450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15483238450 is a deficient number, since it is larger than the sum of its proper divisors (13315585160).

15483238450 is a wasteful number, since it uses less digits than its factorization.

15483238450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309664781 (or 309664776 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

Subtracting from 15483238450 its reverse (5483238451), we obtain a palindrome (9999999999).

The spelling of 15483238450 in words is "fifteen billion, four hundred eighty-three million, two hundred thirty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 309664769 619329538 1548323845 3096647690 7741619225 15483238450