Search a number
-
+
28481880502 = 243331184657
BaseRepresentation
bin11010100001101001…
…110000000110110110
32201111221200102221001
4122201221300012312
5431312330134002
621030121313514
72025543663325
oct324151600666
981457612831
1028481880502
1111096308419
12562a63589a
1328bb9ca63a
14154298a0bc
15b1a700a87
hex6a1a701b6

28481880502 has 8 divisors (see below), whose sum is σ = 43716374856. Its totient is φ = 13909755552.

The previous prime is 28481880499. The next prime is 28481880523. The reversal of 28481880502 is 20508818482.

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

It is a super-2 number, since 2×284818805022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165592243 + ... + 165592414.

It is an arithmetic number, because the mean of its divisors is an integer number (5464546857).

Almost surely, 228481880502 is an apocalyptic number.

28481880502 is a deficient number, since it is larger than the sum of its proper divisors (15234494354).

28481880502 is a wasteful number, since it uses less digits than its factorization.

28481880502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331184702.

The product of its (nonzero) digits is 327680, while the sum is 46.

The spelling of 28481880502 in words is "twenty-eight billion, four hundred eighty-one million, eight hundred eighty thousand, five hundred two".

Divisors: 1 2 43 86 331184657 662369314 14240940251 28481880502