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1243310114440 = 235389648112329
BaseRepresentation
bin10010000101111011000…
…011101100011010001000
311101212012102022212212001
4102011323003230122020
5130332244342130230
62351100242400344
7155553245413162
oct22057303543210
94355172285761
101243310114440
1143a3151680a9
12180b660600b4
1390322381264
1444268585932
152251c0c20ca
hex1217b0ec688

1243310114440 has 64 divisors (see below), whose sum is σ = 2805299406000. Its totient is φ = 495928811520.

The previous prime is 1243310114413. The next prime is 1243310114503. The reversal of 1243310114440 is 444110133421.

It can be written as a sum of positive squares in 8 ways, for example, as 267675855876 + 975634258564 = 517374^2 + 987742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1243310114399 and 1243310114408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100838196 + ... + 100850524.

Almost surely, 21243310114440 is an apocalyptic number.

1243310114440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243310114440 is an abundant number, since it is smaller than the sum of its proper divisors (1561989291560).

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

1243310114440 is a wasteful number, since it uses less digits than its factorization.

1243310114440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19210 (or 19206 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1243310114440 its reverse (444110133421), we get a palindrome (1687420247861).

The spelling of 1243310114440 in words is "one trillion, two hundred forty-three billion, three hundred ten million, one hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 389 778 1556 1945 3112 3890 6481 7780 12329 12962 15560 24658 25924 32405 49316 51848 61645 64810 98632 123290 129620 246580 259240 493160 2521109 4795981 5042218 9591962 10084436 12605545 19183924 20168872 23979905 25211090 38367848 47959810 50422180 79904249 95919620 100844360 159808498 191839240 319616996 399521245 639233992 799042490 1598084980 3196169960 31082752861 62165505722 124331011444 155413764305 248662022888 310827528610 621655057220 1243310114440