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168234000913 = 1115294000083
BaseRepresentation
bin1001110010101110000…
…1110010001000010001
3121002020111221201210201
42130223201302020101
510224020401012123
6205141410255201
715103665261526
oct2345341621021
9532214851721
10168234000913
11653907869a0
1228731287501
1312b31110104
1481dd2d114d
1545997ab5ad
hex272b872211

168234000913 has 4 divisors (see below), whose sum is σ = 183528001008. Its totient is φ = 152940000820.

The previous prime is 168234000899. The next prime is 168234000923. The reversal of 168234000913 is 319000432861.

It is the 167449-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168234000913 - 29 = 168234000401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168234000923) 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, 7647000031 + ... + 7647000052.

It is an arithmetic number, because the mean of its divisors is an integer number (45882000252).

Almost surely, 2168234000913 is an apocalyptic number.

It is an amenable number.

168234000913 is a deficient number, since it is larger than the sum of its proper divisors (15294000095).

168234000913 is a wasteful number, since it uses less digits than its factorization.

168234000913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294000094.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 168234000913 in words is "one hundred sixty-eight billion, two hundred thirty-four million, nine hundred thirteen", and thus it is an aban number.

Divisors: 1 11 15294000083 168234000913