Search a number
-
+
28312225942358 = 2139388672620283
BaseRepresentation
bin1100110111111111101000…
…01010111000101101010110
310201020121210201001011021002
412123333310022320231112
512202331414320123413
6140114242415423302
75651330231533361
oct633776412705526
9121217721034232
1028312225942358
11902616949aa66
123213123224b32
1312a4aa69096c7
146dc4676730d8
153416ec9ab958
hex19bff42b8b56

28312225942358 has 16 divisors (see below), whose sum is σ = 42774983375040. Its totient is φ = 14053903469256.

The previous prime is 28312225942303. The next prime is 28312225942379. The reversal of 28312225942358 is 85324952221382.

It is a super-2 number, since 2×283122259423582 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9494885 + ... + 12115167.

It is an arithmetic number, because the mean of its divisors is an integer number (2673436460940).

Almost surely, 228312225942358 is an apocalyptic number.

28312225942358 is a deficient number, since it is larger than the sum of its proper divisors (14462757432682).

28312225942358 is a wasteful number, since it uses less digits than its factorization.

28312225942358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659291.

The product of its digits is 16588800, while the sum is 56.

The spelling of 28312225942358 in words is "twenty-eight trillion, three hundred twelve billion, two hundred twenty-five million, nine hundred forty-two thousand, three hundred fifty-eight".

Divisors: 1 2 139 278 38867 77734 2620283 5240566 5402513 10805026 364219337 728438674 101842539361 203685078722 14156112971179 28312225942358