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2738029600080 = 24325616672
BaseRepresentation
bin100111110101111111010…
…010000001110101010000
3100200202022222202002122200
4213311333102001311100
5324324441034200310
65453500004403200
7401546632412145
oct47657722016520
910622288662580
102738029600080
11966212368935
123827946a6500
1316b26c7a1448
14967427b03cc
154b350aa49c0
hex27d7f481d50

2738029600080 has 90 divisors (see below), whose sum is σ = 9195365186826. Its totient is φ = 730129386624.

The previous prime is 2738029600073. The next prime is 2738029600093. The reversal of 2738029600080 is 800069208372.

2738029600080 is a `hidden beast` number, since 2 + 7 + 38 + 0 + 2 + 9 + 600 + 0 + 8 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2190423680064 + 547605920016 = 1480008^2 + 740004^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2738029599999 and 2738029600035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44369407 + ... + 44431073.

Almost surely, 22738029600080 is an apocalyptic number.

2738029600080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2738029600080 is an abundant number, since it is smaller than the sum of its proper divisors (6457335586746).

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

2738029600080 is an frugal number, since it uses more digits than its factorization.

2738029600080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123353 (or 61677 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

Multiplying 2738029600080 by its sum of digits (45), we get a square (123211332003600 = 111000602).

2738029600080 divided by its sum of digits (45) gives a square (60845102224 = 2466682).

The spelling of 2738029600080 in words is "two trillion, seven hundred thirty-eight billion, twenty-nine million, six hundred thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 61667 123334 185001 246668 308335 370002 493336 555003 616670 740004 925005 986672 1110006 1233340 1480008 1850010 2220012 2466680 2775015 2960016 3700020 4440024 4933360 5550030 7400040 8880048 11100060 14800080 22200120 44400240 3802818889 7605637778 11408456667 15211275556 19014094445 22816913334 30422551112 34225370001 38028188890 45633826668 57042283335 60845102224 68450740002 76056377780 91267653336 114084566670 136901480004 152112755560 171126850005 182535306672 228169133340 273802960008 304225511120 342253700010 456338266680 547605920016 684507400020 912676533360 1369014800040 2738029600080