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12880533280932 = 2232357792591137
BaseRepresentation
bin1011101101101111101110…
…0111000101100010100100
31200121100220111210101200200
42323123323213011202210
53142013313004442212
643221122454110500
72466405423265032
oct273337347054244
950540814711620
1012880533280932
114116670273519
12154040064b430
137258241095c5
143275c7859552
151750bb4206dc
hexbb6fb9c58a4

12880533280932 has 18 divisors (see below), whose sum is σ = 32559125793558. Its totient is φ = 4293511093632.

The previous prime is 12880533280931. The next prime is 12880533280987. The reversal of 12880533280932 is 23908233508821.

It is a happy number.

12880533280932 is a `hidden beast` number, since 1 + 2 + 8 + 80 + 533 + 28 + 0 + 9 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10765184109156 + 2115349171776 = 3281034^2 + 1454424^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (12880533280931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178896295533 + ... + 178896295604.

Almost surely, 212880533280932 is an apocalyptic number.

12880533280932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12880533280932 is an abundant number, since it is smaller than the sum of its proper divisors (19678592512626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12880533280932 is a wasteful number, since it uses less digits than its factorization.

12880533280932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357792591147 (or 357792591142 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 12880533280932 in words is "twelve trillion, eight hundred eighty billion, five hundred thirty-three million, two hundred eighty thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 357792591137 715585182274 1073377773411 1431170364548 2146755546822 3220133320233 4293511093644 6440266640466 12880533280932