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201032420430 = 23543124736287
BaseRepresentation
bin1011101100111001110…
…1110100110001001110
3201012220021222002002010
42323032131310301032
511243203244423210
6232204130242050
720344525244052
oct2731635646116
9635807862063
10201032420430
1178291618a26
1232b65426326
1315c5a19ac3a
149a3126bc62
155368e0b920
hex2ece774c4e

201032420430 has 64 divisors (see below), whose sum is σ = 483869749248. Its totient is φ = 53454132480.

The previous prime is 201032420371. The next prime is 201032420431. The reversal of 201032420430 is 34024230102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201032420397 and 201032420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201032420431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31972747 + ... + 31979033.

It is an arithmetic number, because the mean of its divisors is an integer number (7560464832).

Almost surely, 2201032420430 is an apocalyptic number.

201032420430 is an abundant number, since it is smaller than the sum of its proper divisors (282837328818).

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

201032420430 is a wasteful number, since it uses less digits than its factorization.

201032420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 201032420430 its reverse (34024230102), we get a palindrome (235056650532).

The spelling of 201032420430 in words is "two hundred one billion, thirty-two million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 431 862 1293 2155 2473 2586 4310 4946 6287 6465 7419 12365 12574 12930 14838 18861 24730 31435 37095 37722 62870 74190 94305 188610 1065863 2131726 2709697 3197589 5329315 5419394 6395178 8129091 10658630 13548485 15547751 15987945 16258182 27096970 31095502 31975890 40645455 46643253 77738755 81290910 93286506 155477510 233216265 466432530 6701080681 13402161362 20103242043 33505403405 40206484086 67010806810 100516210215 201032420430