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11287058612 = 2225710979629
BaseRepresentation
bin10101000001100001…
…01101100010110100
31002010121120222121212
422200300231202310
5141103441333422
65104000500552
7546463262264
oct124060554264
932117528555
1011287058612
114872283215
12223001a758
1310ab543b0b
147910757a4
15460d939e2
hex2a0c2d8b4

11287058612 has 12 divisors (see below), whose sum is σ = 19829211780. Its totient is φ = 5621569536.

The previous prime is 11287058539. The next prime is 11287058681. The reversal of 11287058612 is 21685078211.

It can be written as a sum of positive squares in 2 ways, for example, as 9396200356 + 1890858256 = 96934^2 + 43484^2 .

It is a super-2 number, since 2×112870586122 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11287058612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488787 + ... + 5490842.

It is an arithmetic number, because the mean of its divisors is an integer number (1652434315).

Almost surely, 211287058612 is an apocalyptic number.

It is an amenable number.

11287058612 is a deficient number, since it is larger than the sum of its proper divisors (8542153168).

11287058612 is a wasteful number, since it uses less digits than its factorization.

11287058612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10979890 (or 10979888 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 11287058612 in words is "eleven billion, two hundred eighty-seven million, fifty-eight thousand, six hundred twelve".

Divisors: 1 2 4 257 514 1028 10979629 21959258 43918516 2821764653 5643529306 11287058612