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13030053243 = 331729136889
BaseRepresentation
bin11000010001010011…
…01101010101111011
31020122002100021202120
430020221231111323
5203141143200433
65552543132323
7640616424264
oct141051552573
936562307676
1013030053243
115587141949
1226378a40a3
1312c8694c9c
148b874d96b
15513ddb7b3
hex308a6d57b

13030053243 has 8 divisors (see below), whose sum is σ = 17374078800. Its totient is φ = 8686364928.

The previous prime is 13030053241. The next prime is 13030053343. The reversal of 13030053243 is 34235003031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13030053243 - 21 = 13030053241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13030053241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26743 + ... + 163631.

It is an arithmetic number, because the mean of its divisors is an integer number (2171759850).

Almost surely, 213030053243 is an apocalyptic number.

13030053243 is a deficient number, since it is larger than the sum of its proper divisors (4344025557).

13030053243 is a wasteful number, since it uses less digits than its factorization.

13030053243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168621.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 13030053243 its reverse (34235003031), we get a palindrome (47265056274).

The spelling of 13030053243 in words is "thirteen billion, thirty million, fifty-three thousand, two hundred forty-three".

Divisors: 1 3 31729 95187 136889 410667 4343351081 13030053243