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107782648440 = 233510322933803
BaseRepresentation
bin110010001100001011…
…0001011001001111000
3101022012120001211212020
41210120112023021320
53231214324222230
6121303100114440
710533645252435
oct1443026131170
9338176054766
10107782648440
114178a54a065
1218a80235a20
13a21900176c
14530690ab8c
152c0c5ee810
hex191858b278

107782648440 has 128 divisors (see below), whose sum is σ = 326715517440. Its totient is φ = 28443096576.

The previous prime is 107782648343. The next prime is 107782648459. The reversal of 107782648440 is 44846287701.

107782648440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 28339579 + ... + 28343381.

It is an arithmetic number, because the mean of its divisors is an integer number (2552464980).

Almost surely, 2107782648440 is an apocalyptic number.

107782648440 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 107782648440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163357758720).

107782648440 is an abundant number, since it is smaller than the sum of its proper divisors (218932869000).

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

107782648440 is a wasteful number, since it uses less digits than its factorization.

107782648440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213 (or 6209 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 107782648440 in words is "one hundred seven billion, seven hundred eighty-two million, six hundred forty-eight thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 103 120 206 309 412 515 618 824 1030 1236 1545 2060 2293 2472 3090 3803 4120 4586 6180 6879 7606 9172 11409 11465 12360 13758 15212 18344 19015 22818 22930 27516 30424 34395 38030 45636 45860 55032 57045 68790 76060 91272 91720 114090 137580 152120 228180 236179 275160 391709 456360 472358 708537 783418 944716 1175127 1180895 1417074 1566836 1889432 1958545 2350254 2361790 2834148 3133672 3542685 3917090 4700508 4723580 5668296 5875635 7085370 7834180 8720279 9401016 9447160 11751270 14170740 15668360 17440558 23502540 26160837 28341480 34881116 43601395 47005080 52321674 69762232 87202790 104643348 130804185 174405580 209286696 261608370 348811160 523216740 898188737 1046433480 1796377474 2694566211 3592754948 4490943685 5389132422 7185509896 8981887370 10778264844 13472831055 17963774740 21556529688 26945662110 35927549480 53891324220 107782648440