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11168227380 = 22351183115733
BaseRepresentation
bin10100110011010110…
…11010000000110100
31001211022222201211010
422121223122000310
5140333031234010
65044113512220
7543521236452
oct123153320064
931738881733
1011168227380
11481119a592
1221b8272670
13108ca38b8b
1477d3819d2
1545571e620
hex299ada034

11168227380 has 48 divisors (see below), whose sum is σ = 31275667584. Its totient is φ = 2977752960.

The previous prime is 11168227339. The next prime is 11168227391. The reversal of 11168227380 is 8372286111.

It is a super-2 number, since 2×111682273802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701994 + ... + 717726.

It is an arithmetic number, because the mean of its divisors is an integer number (651576408).

Almost surely, 211168227380 is an apocalyptic number.

11168227380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11168227380 is an abundant number, since it is smaller than the sum of its proper divisors (20107440204).

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

11168227380 is a wasteful number, since it uses less digits than its factorization.

11168227380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27576 (or 27574 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 11168227380 in words is "eleven billion, one hundred sixty-eight million, two hundred twenty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 11831 15733 23662 31466 35493 47199 47324 59155 62932 70986 78665 94398 118310 141972 157330 177465 188796 235995 236620 314660 354930 471990 709860 943980 186137123 372274246 558411369 744548492 930685615 1116822738 1861371230 2233645476 2792056845 3722742460 5584113690 11168227380