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201330223230 = 23531631343081
BaseRepresentation
bin1011101110000000110…
…1110110100001111110
3201020200001100000201110
42323200031312201332
511244311014120410
6232253445222450
720355102442563
oct2734015664176
9636601300643
10201330223230
1178424731644
1233029101a26
1315ca6aa9906
149a5ca2c86a
155385134720
hex2ee037687e

201330223230 has 64 divisors (see below), whose sum is σ = 499571306496. Its totient is φ = 51873696000.

The previous prime is 201330223187. The next prime is 201330223271. The reversal of 201330223230 is 32322033102.

It is a junction number, because it is equal to n+sod(n) for n = 201330223197 and 201330223206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415290 + ... + 758370.

It is an arithmetic number, because the mean of its divisors is an integer number (7805801664).

Almost surely, 2201330223230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201330223230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249785653248).

201330223230 is an abundant number, since it is smaller than the sum of its proper divisors (298241083266).

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

201330223230 is a wasteful number, since it uses less digits than its factorization.

201330223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343753.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 201330223230 its reverse (32322033102), we get a palindrome (233652256332).

The spelling of 201330223230 in words is "two hundred one billion, three hundred thirty million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 631 930 1262 1893 3155 3786 6310 9465 18930 19561 39122 58683 97805 117366 195610 293415 343081 586830 686162 1029243 1715405 2058486 3430810 5146215 10292430 10635511 21271022 31906533 53177555 63813066 106355110 159532665 216484111 319065330 432968222 649452333 1082420555 1298904666 2164841110 3247261665 6494523330 6711007441 13422014882 20133022323 33555037205 40266044646 67110074410 100665111615 201330223230