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15430013000533 = 19778324939089
BaseRepresentation
bin1110000010001001010001…
…1100011001101101010101
32000122002120010200010222201
43200202110130121231111
54010301131312004113
652452241120324501
73151532051323645
oct340422434315525
960562503603881
1015430013000533
114a0991709644a
121892534173731
1387c075825421
143b4b60b08525
151bb583da3cdd
hexe0894719b55

15430013000533 has 4 divisors (see below), whose sum is σ = 15508337939820. Its totient is φ = 15351688061248.

The previous prime is 15430013000497. The next prime is 15430013000579. The reversal of 15430013000533 is 33500031003451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15072113527524 + 357899473009 = 3882282^2 + 598247^2 .

It is a cyclic number.

It is not a de Polignac number, because 15430013000533 - 229 = 15429476129621 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 (15430013003533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39162469348 + ... + 39162469741.

It is an arithmetic number, because the mean of its divisors is an integer number (3877084484955).

Almost surely, 215430013000533 is an apocalyptic number.

It is an amenable number.

15430013000533 is a deficient number, since it is larger than the sum of its proper divisors (78324939287).

15430013000533 is an equidigital number, since it uses as much as digits as its factorization.

15430013000533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78324939286.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 15430013000533 its reverse (33500031003451), we get a palindrome (48930044003984).

The spelling of 15430013000533 in words is "fifteen trillion, four hundred thirty billion, thirteen million, five hundred thirty-three", and thus it is an aban number.

Divisors: 1 197 78324939089 15430013000533