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12110320988 = 224788772623
BaseRepresentation
bin10110100011101010…
…01101010101011100
31011020222201001021222
423101311031111130
5144300220232423
65321410112512
7606051013163
oct132165152534
934228631258
1012110320988
115154a62447
12241b87b738
1311acc8000c
1482c5383da
154ad2b33c8
hex2d1d4d55c

12110320988 has 24 divisors (see below), whose sum is σ = 21668677632. Its totient is φ = 5919564464.

The previous prime is 12110320987. The next prime is 12110321009. The reversal of 12110320988 is 88902301121.

It is a super-2 number, since 2×121103209882 (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 (12110320987) 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, 130445 + ... + 203067.

It is an arithmetic number, because the mean of its divisors is an integer number (902861568).

Almost surely, 212110320988 is an apocalyptic number.

It is an amenable number.

12110320988 is a deficient number, since it is larger than the sum of its proper divisors (9558356644).

12110320988 is a wasteful number, since it uses less digits than its factorization.

12110320988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73561 (or 73559 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 12110320988 in words is "twelve billion, one hundred ten million, three hundred twenty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 47 94 188 887 1774 3548 41689 72623 83378 145246 166756 290492 3413281 6826562 13653124 64416601 128833202 257666404 3027580247 6055160494 12110320988