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43420044120400 = 2452659164719439
BaseRepresentation
bin10011101111101100001000…
…10011100101000101010000
312200201220201112022110211001
421313312010103211011100
521142343222243323100
6232202520511031344
712100665112314463
oct1167660423450520
9180656645273731
1043420044120400
1112920378a47502
124a53118b0b554
131b2c6532ba76c
14aa17816632da
155046c58dcd6a
hex277d844e5150

43420044120400 has 60 divisors (see below), whose sum is σ = 104474952014400. Its totient is φ = 17341662432640.

The previous prime is 43420044120389. The next prime is 43420044120421. The reversal of 43420044120400 is 402144002434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82096120 + ... + 82623319.

It is an arithmetic number, because the mean of its divisors is an integer number (1741249200240).

Almost surely, 243420044120400 is an apocalyptic number.

43420044120400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43420044120400 is an abundant number, since it is smaller than the sum of its proper divisors (61054907894000).

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

43420044120400 is a wasteful number, since it uses less digits than its factorization.

43420044120400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164720116 (or 164720105 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 43420044120400 its reverse (402144002434), we get a palindrome (43822188122834).

The spelling of 43420044120400 in words is "forty-three trillion, four hundred twenty billion, forty-four million, one hundred twenty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 659 1318 2636 3295 5272 6590 10544 13180 16475 26360 32950 52720 65900 131800 263600 164719439 329438878 658877756 823597195 1317755512 1647194390 2635511024 3294388780 4117985975 6588777560 8235971950 13177555120 16471943900 32943887800 65887775600 108550110301 217100220602 434200441204 542750551505 868400882408 1085501103010 1736801764816 2171002206020 2713752757525 4342004412040 5427505515050 8684008824080 10855011030100 21710022060200 43420044120400