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230122999 = 1771190657
BaseRepresentation
bin11011011011101…
…10010111110111
3121001000110102001
431231312113313
5432402413444
634500200131
75463004351
oct1555662767
9531013361
10230122999
111089978a7
1265099047
13388a3272
14227c40d1
15153098d4
hexdb765f7

230122999 has 8 divisors (see below), whose sum is σ = 247092768. Its totient is φ = 213534720.

The previous prime is 230122987. The next prime is 230123021. The reversal of 230122999 is 999221032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230122999 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 (230122099) 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, 94122 + ... + 96535.

It is an arithmetic number, because the mean of its divisors is an integer number (30886596).

Almost surely, 2230122999 is an apocalyptic number.

230122999 is a deficient number, since it is larger than the sum of its proper divisors (16969769).

230122999 is a wasteful number, since it uses less digits than its factorization.

230122999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190745.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 230122999 is about 15169.8055030379. The cubic root of 230122999 is about 612.8017662813.

The spelling of 230122999 in words is "two hundred thirty million, one hundred twenty-two thousand, nine hundred ninety-nine".

Divisors: 1 17 71 1207 190657 3241169 13536647 230122999