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201044230040 = 23523415952543
BaseRepresentation
bin1011101100111100101…
…0110111111110011000
3201012221010012001211002
42323033022313332120
511243214310330130
6232205231324132
720345030521313
oct2731712677630
9635833161732
10201044230040
1178298254735
1232b69380648
1315c5c774384
149a32a6397a
155369e90b45
hex2ecf2b7f98

201044230040 has 64 divisors (see below), whose sum is σ = 472139366400. Its totient is φ = 76901311872.

The previous prime is 201044230039. The next prime is 201044230081. The reversal of 201044230040 is 40032440102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201044229994 and 201044230021.

It is a congruent number.

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, 3800009 + ... + 3852551.

It is an arithmetic number, because the mean of its divisors is an integer number (7377177600).

Almost surely, 2201044230040 is an apocalyptic number.

201044230040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201044230040 is an abundant number, since it is smaller than the sum of its proper divisors (271095136360).

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

201044230040 is a wasteful number, since it uses less digits than its factorization.

201044230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56736 (or 56732 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 201044230040 its reverse (40032440102), we get a palindrome (241076670142).

The spelling of 201044230040 in words is "two hundred one billion, forty-four million, two hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 4159 8318 16636 20795 33272 41590 52543 83180 95657 105086 166360 191314 210172 262715 382628 420344 478285 525430 765256 956570 1050860 1208489 1913140 2101720 2416978 3826280 4833956 6042445 9667912 12084890 24169780 48339560 218526337 437052674 874105348 1092631685 1748210696 2185263370 4370526740 5026105751 8741053480 10052211502 20104423004 25130528755 40208846008 50261057510 100522115020 201044230040