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12088884987 = 332915439189
BaseRepresentation
bin10110100001000110…
…11011111011111011
31011012111100222122000
423100203123323323
5144224223304422
65315322432043
7605400553434
oct132043337373
934174328560
1012088884987
115143951243
122414662623
1311a86b60aa
1482975848b
154ab47bcac
hex2d08dbefb

12088884987 has 16 divisors (see below), whose sum is σ = 18527028000. Its totient is φ = 7781350752.

The previous prime is 12088884971. The next prime is 12088884989. The reversal of 12088884987 is 78948888021.

It is not a de Polignac number, because 12088884987 - 24 = 12088884971 is a prime.

It is a super-2 number, since 2×120888849872 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12088884989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7718812 + ... + 7720377.

It is an arithmetic number, because the mean of its divisors is an integer number (1157939250).

Almost surely, 212088884987 is an apocalyptic number.

12088884987 is a deficient number, since it is larger than the sum of its proper divisors (6438143013).

12088884987 is a wasteful number, since it uses less digits than its factorization.

12088884987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15439227 (or 15439221 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 63.

The spelling of 12088884987 in words is "twelve billion, eighty-eight million, eight hundred eighty-four thousand, nine hundred eighty-seven".

Divisors: 1 3 9 27 29 87 261 783 15439189 46317567 138952701 416858103 447736481 1343209443 4029628329 12088884987