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11848277640 = 23351937140449
BaseRepresentation
bin10110000100011011…
…00101111010001000
31010120201121212101210
423002031211322020
5143231124341030
65235405413120
7566416461333
oct130215457210
933521555353
1011848277640
1150300533a1
122367b6a1a0
13116a8b1994
1480580561a
154952a0bb0
hex2c2365e88

11848277640 has 128 divisors (see below), whose sum is σ = 38427120000. Its totient is φ = 2912329728.

The previous prime is 11848277591. The next prime is 11848277657. The reversal of 11848277640 is 4677284811.

It is a self number, because there is not a number n which added to its sum of digits gives 11848277640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14136 + ... + 154584.

It is an arithmetic number, because the mean of its divisors is an integer number (300211875).

Almost surely, 211848277640 is an apocalyptic number.

11848277640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11848277640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19213560000).

11848277640 is an abundant number, since it is smaller than the sum of its proper divisors (26578842360).

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

11848277640 is a wasteful number, since it uses less digits than its factorization.

11848277640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140519 (or 140515 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 11848277640 in words is "eleven billion, eight hundred forty-eight million, two hundred seventy-seven thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 37 38 40 57 60 74 76 95 111 114 120 148 152 185 190 222 228 285 296 370 380 444 456 555 570 703 740 760 888 1110 1140 1406 1480 2109 2220 2280 2812 3515 4218 4440 5624 7030 8436 10545 14060 16872 21090 28120 42180 84360 140449 280898 421347 561796 702245 842694 1123592 1404490 1685388 2106735 2668531 2808980 3370776 4213470 5196613 5337062 5617960 8005593 8426940 10393226 10674124 13342655 15589839 16011186 16853880 20786452 21348248 25983065 26685310 31179678 32022372 40027965 41572904 51966130 53370620 62359356 64044744 77949195 80055930 98735647 103932260 106741240 124718712 155898390 160111860 197471294 207864520 296206941 311796780 320223720 394942588 493678235 592413882 623593560 789885176 987356470 1184827764 1481034705 1974712940 2369655528 2962069410 3949425880 5924138820 11848277640