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230042512151 = 2954139146521
BaseRepresentation
bin1101011000111110011…
…0100010101100010111
3210222210001120102120122
43112033212202230113
512232111340342101
6253402521222155
722422445042664
oct3261746425427
9728701512518
10230042512151
1189619001241
123870093195b
131890144a39a
14b1c4034a6b
155eb5b9951b
hex358f9a2b17

230042512151 has 8 divisors (see below), whose sum is σ = 237981032400. Its totient is φ = 222104393280.

The previous prime is 230042512009. The next prime is 230042512157. The reversal of 230042512151 is 151215240032.

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-230042512151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230042512151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230042512157) 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, 1496771 + ... + 1643291.

It is an arithmetic number, because the mean of its divisors is an integer number (29747629050).

Almost surely, 2230042512151 is an apocalyptic number.

230042512151 is a deficient number, since it is larger than the sum of its proper divisors (7938520249).

230042512151 is a wasteful number, since it uses less digits than its factorization.

230042512151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200689.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 230042512151 its reverse (151215240032), we get a palindrome (381257752183).

The spelling of 230042512151 in words is "two hundred thirty billion, forty-two million, five hundred twelve thousand, one hundred fifty-one".

Divisors: 1 29 54139 146521 1570031 4249109 7932500419 230042512151