Search a number
-
+
28558300128810 = 2357075313454459
BaseRepresentation
bin1100111111001001111110…
…10101011010011000101010
310202010010222001001000121120
412133210333111122120222
512220344344313110220
6140423300231320110
76005161204600524
oct637447725323052
9122103861030546
1028558300128810
119110563a00401
123252958b20036
1312c20615500aa
1470a32c922a14
15347d00d06a40
hex19f93f55a62a

28558300128810 has 32 divisors (see below), whose sum is σ = 68540894124480. Its totient is φ = 7615438499328.

The previous prime is 28558300128797. The next prime is 28558300128817. The reversal of 28558300128810 is 1882100385582.

It is a super-2 number, since 2×285583001288102 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28558300128817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604640 + ... + 8849819.

It is an arithmetic number, because the mean of its divisors is an integer number (2141902941390).

Almost surely, 228558300128810 is an apocalyptic number.

28558300128810 is an abundant number, since it is smaller than the sum of its proper divisors (39982593995670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28558300128810 is a wasteful number, since it uses less digits than its factorization.

28558300128810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13525222.

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 28558300128810 in words is "twenty-eight trillion, five hundred fifty-eight billion, three hundred million, one hundred twenty-eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 70753 141506 212259 353765 424518 707530 1061295 2122590 13454459 26908918 40363377 67272295 80726754 134544590 201816885 403633770 951943337627 1903886675254 2855830012881 4759716688135 5711660025762 9519433376270 14279150064405 28558300128810