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11214124040 = 23571372831033
BaseRepresentation
bin10100111000110100…
…11111010000001000
31001221112100112012102
422130122133100020
5140431303432130
65052433332532
7544616324120
oct123432372010
931845315172
1011214124040
114835098409
12220b707148
1310993b8672
147854cbc80
15459788645
hex29c69f408

11214124040 has 128 divisors (see below), whose sum is σ = 29177660160. Its totient is φ = 3799609344.

The previous prime is 11214124037. The next prime is 11214124049. The reversal of 11214124040 is 4042141211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11214124049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10855364 + ... + 10856396.

It is an arithmetic number, because the mean of its divisors is an integer number (227950470).

Almost surely, 211214124040 is an apocalyptic number.

11214124040 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 11214124040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14588830080).

11214124040 is an abundant number, since it is smaller than the sum of its proper divisors (17963536120).

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

11214124040 is a wasteful number, since it uses less digits than its factorization.

11214124040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11214124040 its reverse (4042141211), we get a palindrome (15256265251).

The spelling of 11214124040 in words is "eleven billion, two hundred fourteen million, one hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 137 140 274 280 283 548 566 685 959 1033 1096 1132 1370 1415 1918 1981 2066 2264 2740 2830 3836 3962 4132 4795 5165 5480 5660 7231 7672 7924 8264 9590 9905 10330 11320 14462 15848 19180 19810 20660 28924 36155 38360 38771 39620 41320 57848 72310 77542 79240 141521 144620 155084 193855 271397 283042 289240 292339 310168 387710 542794 566084 584678 707605 775420 990647 1085588 1132168 1169356 1356985 1415210 1461695 1550840 1981294 2046373 2171176 2338712 2713970 2830420 2923390 3962588 4092746 4953235 5427940 5660840 5846780 7925176 8185492 9906470 10231865 10855880 11693560 16370984 19812940 20463730 39625880 40050443 40927460 80100886 81854920 160201772 200252215 280353101 320403544 400504430 560706202 801008860 1121412404 1401765505 1602017720 2242824808 2803531010 5607062020 11214124040