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12923086869 = 337116216011
BaseRepresentation
bin11000000100100011…
…01010100000010101
31020100122001211111000
430002101222200111
5202431302234434
65534202333513
7635150266050
oct140221524025
936318054430
1012923086869
115531822490
122607aba299
1312ac482684
148a8467a97
1550980cb99
hex30246a815

12923086869 has 32 divisors (see below), whose sum is σ = 23869486080. Its totient is φ = 6713290800.

The previous prime is 12923086861. The next prime is 12923086871. The reversal of 12923086869 is 96868032921.

It is not a de Polignac number, because 12923086869 - 23 = 12923086861 is a prime.

It is a super-2 number, since 2×129230868692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923086861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3105927 + ... + 3110084.

It is an arithmetic number, because the mean of its divisors is an integer number (745921440).

Almost surely, 212923086869 is an apocalyptic number.

It is an amenable number.

12923086869 is a deficient number, since it is larger than the sum of its proper divisors (10946399211).

12923086869 is a wasteful number, since it uses less digits than its factorization.

12923086869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216038 (or 6216032 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 12923086869 in words is "twelve billion, nine hundred twenty-three million, eighty-six thousand, eight hundred sixty-nine".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 2079 6216011 18648033 43512077 55944099 68376121 130536231 167832297 205128363 391608693 478632847 615385089 1174826079 1435898541 1846155267 4307695623 12923086869