Search a number
-
+
28083362654 = 273947203117
BaseRepresentation
bin11010001001111001…
…100001101101011110
32200111011210122012202
4122021321201231132
5430003320101104
620522403531502
72012634433604
oct321171415536
980434718182
1028083362654
1110a01365026
125539089b92
132857287869
141505a8d874
15ae573151e
hex689e61b5e

28083362654 has 16 divisors (see below), whose sum is σ = 42747401808. Its totient is φ = 13834636992.

The previous prime is 28083362609. The next prime is 28083362663. The reversal of 28083362654 is 45626338082.

It is a junction number, because it is equal to n+sod(n) for n = 28083362599 and 28083362608.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 36704 + ... + 239820.

It is an arithmetic number, because the mean of its divisors is an integer number (2671712613).

Almost surely, 228083362654 is an apocalyptic number.

28083362654 is a deficient number, since it is larger than the sum of its proper divisors (14664039154).

28083362654 is a wasteful number, since it uses less digits than its factorization.

28083362654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204139.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 28083362654 in words is "twenty-eight billion, eighty-three million, three hundred sixty-two thousand, six hundred fifty-four".

Divisors: 1 2 73 146 947 1894 69131 138262 203117 406234 14827541 29655082 192351799 384703598 14041681327 28083362654