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11031100140 = 2235315999901
BaseRepresentation
bin10100100011000000…
…10011101011101100
31001110202221221121110
422101200103223230
5140042430201030
65022334432020
7540234542544
oct122140235354
931422857543
1011031100140
11475084a895
12217a362610
13106a4c62b8
14769088324
154486841b0
hex291813aec

11031100140 has 96 divisors (see below), whose sum is σ = 31939891200. Its totient is φ = 2841696000.

The previous prime is 11031100133. The next prime is 11031100169. The reversal of 11031100140 is 4100113011.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1109190 + ... + 1119090.

It is an arithmetic number, because the mean of its divisors is an integer number (332707200).

Almost surely, 211031100140 is an apocalyptic number.

11031100140 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 11031100140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15969945600).

11031100140 is an abundant number, since it is smaller than the sum of its proper divisors (20908791060).

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

11031100140 is a wasteful number, since it uses less digits than its factorization.

11031100140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543 (or 10541 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11031100140 its reverse (4100113011), we get a palindrome (15131213151).

The spelling of 11031100140 in words is "eleven billion, thirty-one million, one hundred thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 599 620 930 1198 1797 1860 2396 2995 3594 5990 7188 8985 9901 11980 17970 18569 19802 29703 35940 37138 39604 49505 55707 59406 74276 92845 99010 111414 118812 148515 185690 198020 222828 278535 297030 306931 371380 557070 594060 613862 920793 1114140 1227724 1534655 1841586 3069310 3683172 4603965 5930699 6138620 9207930 11861398 17792097 18415860 23722796 29653495 35584194 59306990 71168388 88960485 118613980 177920970 183851669 355841940 367703338 551555007 735406676 919258345 1103110014 1838516690 2206220028 2757775035 3677033380 5515550070 11031100140