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201330233430 = 23523614783327
BaseRepresentation
bin1011101110000000110…
…1111001000001010110
3201020200001100112201020
42323200031321001112
511244311014432210
6232253445342010
720355102514404
oct2734015710126
9636601315636
10201330233430
1178424739277
1233029107906
1315ca6ab1451
149a5ca32474
155385137770
hex2ee0379056

201330233430 has 64 divisors (see below), whose sum is σ = 512466628608. Its totient is φ = 50511922560.

The previous prime is 201330233413. The next prime is 201330233437. The reversal of 201330233430 is 34332033102.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201330233430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330233437) 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, 2349574 + ... + 2433753.

It is an arithmetic number, because the mean of its divisors is an integer number (8007291072).

Almost surely, 2201330233430 is an apocalyptic number.

201330233430 is an abundant number, since it is smaller than the sum of its proper divisors (311136395178).

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

201330233430 is a wasteful number, since it uses less digits than its factorization.

201330233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783421.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 201330233430 its reverse (34332033102), we get a palindrome (235662266532).

The spelling of 201330233430 in words is "two hundred one billion, three hundred thirty million, two hundred thirty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 61 69 115 122 138 183 230 305 345 366 610 690 915 1403 1830 2806 4209 7015 8418 14030 21045 42090 4783327 9566654 14349981 23916635 28699962 47833270 71749905 110016521 143499810 220033042 291782947 330049563 550082605 583565894 660099126 875348841 1100165210 1458914735 1650247815 1750697682 2917829470 3300495630 4376744205 6711007781 8753488410 13422015562 20133023343 33555038905 40266046686 67110077810 100665116715 201330233430