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13531044530 = 256911958183
BaseRepresentation
bin11001001101000001…
…10101101010110010
31021221000001021121102
430212200311222302
5210202421411110
610114401124402
7656211660263
oct144640655262
937830037542
1013531044530
115813a16033
122757629702
131378406333
149250c296a
15542d9d5a5
hex326835ab2

13531044530 has 16 divisors (see below), whose sum is σ = 24391139904. Its totient is φ = 5404582320.

The previous prime is 13531044521. The next prime is 13531044581. The reversal of 13531044530 is 3544013531.

It is a junction number, because it is equal to n+sod(n) for n = 13531044493 and 13531044502.

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, 972182 + ... + 986001.

It is an arithmetic number, because the mean of its divisors is an integer number (1524446244).

Almost surely, 213531044530 is an apocalyptic number.

13531044530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531044530 is a deficient number, since it is larger than the sum of its proper divisors (10860095374).

13531044530 is a wasteful number, since it uses less digits than its factorization.

13531044530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958881.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13531044530 in words is "thirteen billion, five hundred thirty-one million, forty-four thousand, five hundred thirty".

Divisors: 1 2 5 10 691 1382 3455 6910 1958183 3916366 9790915 19581830 1353104453 2706208906 6765522265 13531044530