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11293478892 = 2233432431843
BaseRepresentation
bin10101000010010010…
…01100111111101100
31002011001200011121000
422201021030333230
5141112112311032
65104350240300
7546601662303
oct124111147754
932131604530
1011293478892
114875968933
1222321b6090
1310ac9811b7
14791c6743a
15461710e7c
hex2a124cfec

11293478892 has 48 divisors (see below), whose sum is σ = 29960318080. Its totient is φ = 3676945104.

The previous prime is 11293478881. The next prime is 11293478909. The reversal of 11293478892 is 29887439211.

11293478892 is a `hidden beast` number, since 1 + 1 + 2 + 93 + 478 + 89 + 2 = 666.

11293478892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211278 + ... + 1220565.

Almost surely, 211293478892 is an apocalyptic number.

11293478892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11293478892 is an abundant number, since it is smaller than the sum of its proper divisors (18666839188).

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

11293478892 is a wasteful number, since it uses less digits than its factorization.

11293478892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431899 (or 2431891 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 11293478892 in words is "eleven billion, two hundred ninety-three million, four hundred seventy-eight thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 43 54 86 108 129 172 258 387 516 774 1161 1548 2322 4644 2431843 4863686 7295529 9727372 14591058 21886587 29182116 43773174 65659761 87546348 104569249 131319522 209138498 262639044 313707747 418276996 627415494 941123241 1254830988 1882246482 2823369723 3764492964 5646739446 11293478892