Search a number
-
+
28761852892 = 227190463223
BaseRepresentation
bin11010110010010101…
…110000101111011100
32202020110111111211211
4122302111300233130
5432401013243032
621114002154204
72035513500343
oct326225605734
982213444754
1028761852892
111121a352863
1256a8352964
132934a05586
14156bc28b5a
15b350a5747
hex6b2570bdc

28761852892 has 6 divisors (see below), whose sum is σ = 50333242568. Its totient is φ = 14380926444.

The previous prime is 28761852871. The next prime is 28761852893. The reversal of 28761852892 is 29825816782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28761852893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3595231608 + ... + 3595231615.

Almost surely, 228761852892 is an apocalyptic number.

It is an amenable number.

28761852892 is a deficient number, since it is larger than the sum of its proper divisors (21571389676).

28761852892 is a wasteful number, since it uses less digits than its factorization.

28761852892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190463227 (or 7190463225 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 58.

The spelling of 28761852892 in words is "twenty-eight billion, seven hundred sixty-one million, eight hundred fifty-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 7190463223 14380926446 28761852892