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11255431230 = 23251761711923
BaseRepresentation
bin10100111101110000…
…00100000000111110
31002001102002011000100
422132320010000332
5141022342244410
65100510541530
7545630405211
oct123670040076
932042064010
1011255431230
11485644108a
1222215078a6
1310a4b1c1a4
1478aba1778
1545d1e78c0
hex29ee0403e

11255431230 has 96 divisors (see below), whose sum is σ = 31038362784. Its totient is φ = 2820077568.

The previous prime is 11255431219. The next prime is 11255431241. The reversal of 11255431230 is 3213455211.

11255431230 is a `hidden beast` number, since 112 + 5 + 543 + 1 + 2 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11255431219) and next prime (11255431241).

It is a junction number, because it is equal to n+sod(n) for n = 11255431194 and 11255431203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 938049 + ... + 949971.

It is an arithmetic number, because the mean of its divisors is an integer number (323316279).

Almost surely, 211255431230 is an apocalyptic number.

11255431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11255431230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15519181392).

11255431230 is an abundant number, since it is smaller than the sum of its proper divisors (19782931554).

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

11255431230 is a wasteful number, since it uses less digits than its factorization.

11255431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12570 (or 12567 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11255431230 its reverse (3213455211), we get a palindrome (14468886441).

The spelling of 11255431230 in words is "eleven billion, two hundred fifty-five million, four hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 617 765 1234 1530 1851 3085 3702 5553 6170 9255 10489 11106 11923 18510 20978 23846 27765 31467 35769 52445 55530 59615 62934 71538 94401 104890 107307 119230 157335 178845 188802 202691 214614 314670 357690 405382 472005 536535 608073 944010 1013455 1073070 1216146 1824219 2026910 3040365 3648438 6080730 7356491 9121095 14712982 18242190 22069473 36782455 44138946 66208419 73564910 110347365 125060347 132416838 220694730 250120694 331042095 375181041 625301735 662084190 750362082 1125543123 1250603470 1875905205 2251086246 3751810410 5627715615 11255431230