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108819030840 = 233513689910111
BaseRepresentation
bin110010101011000011…
…1101010001100111000
3101101212210012112020120
41211112013222030320
53240330132441330
6121554001253240
710601431333452
oct1452607521470
9341783175216
10108819030840
1142171562543
121910b334220
13a3529399a0
1453a44092d2
152c6d5bac10
hex19561ea338

108819030840 has 128 divisors (see below), whose sum is σ = 351654912000. Its totient is φ = 26779691520.

The previous prime is 108819030829. The next prime is 108819030841. The reversal of 108819030840 is 48030918801.

It is a super-2 number, since 2×1088190308402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108819030792 and 108819030801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108819030841) 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, 10757385 + ... + 10767495.

It is an arithmetic number, because the mean of its divisors is an integer number (2747304000).

Almost surely, 2108819030840 is an apocalyptic number.

108819030840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108819030840 is an abundant number, since it is smaller than the sum of its proper divisors (242835881160).

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

108819030840 is a wasteful number, since it uses less digits than its factorization.

108819030840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17037 (or 17033 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 108819030840 in words is "one hundred eight billion, eight hundred nineteen million, thirty thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 6899 10111 13798 20222 20697 27596 30333 34495 40444 41394 50555 55192 60666 68990 80888 82788 89687 101110 103485 121332 131443 137980 151665 165576 179374 202220 206970 242664 262886 269061 275960 303330 358748 394329 404440 413940 448435 525772 538122 606660 657215 717496 788658 827880 896870 1051544 1076244 1213320 1314430 1345305 1577316 1793740 1971645 2152488 2628860 2690610 3154632 3587480 3943290 5257720 5381220 7886580 10762440 15773160 69755789 139511578 209267367 279023156 348778945 418534734 558046312 697557890 837069468 906825257 1046336835 1395115780 1674138936 1813650514 2092673670 2720475771 2790231560 3627301028 4185347340 4534126285 5440951542 7254602056 8370694680 9068252570 10881903084 13602378855 18136505140 21763806168 27204757710 36273010280 54409515420 108819030840