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11684449790 = 251389880383
BaseRepresentation
bin10101110000111001…
…01000110111111110
31010011022100112211122
422320130220313332
5142412204343130
65211234150542
7562360120166
oct127034506776
933138315748
1011684449790
114a56627082
122321122452
131142980b20
147cbb5b5a6
15485bde2e5
hex2b8728dfe

11684449790 has 16 divisors (see below), whose sum is σ = 22649856768. Its totient is φ = 4314258336.

The previous prime is 11684449759. The next prime is 11684449793. The reversal of 11684449790 is 9794448611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11684449793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44940062 + ... + 44940321.

It is an arithmetic number, because the mean of its divisors is an integer number (1415616048).

Almost surely, 211684449790 is an apocalyptic number.

11684449790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11684449790 is a deficient number, since it is larger than the sum of its proper divisors (10965406978).

11684449790 is a wasteful number, since it uses less digits than its factorization.

11684449790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89880403.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 11684449790 in words is "eleven billion, six hundred eighty-four million, four hundred forty-nine thousand, seven hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 89880383 179760766 449401915 898803830 1168444979 2336889958 5842224895 11684449790