Search a number
-
+
201001212030 = 23537672702719
BaseRepresentation
bin1011101100110010011…
…0110001100001111110
3201012211010020112012110
42323030212301201332
511243122302241110
6232201053314450
720343666053343
oct2731446614176
9635733215173
10201001212030
1178275a42663
1232b56a95a26
1315c53891c28
149a2b0667ca
1553662e4a20
hex2ecc9b187e

201001212030 has 64 divisors (see below), whose sum is σ = 502835650560. Its totient is φ = 51373263744.

The previous prime is 201001212023. The next prime is 201001212031. The reversal of 201001212030 is 30212100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001211997 and 201001212015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001212031) 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, 1276990 + ... + 1425729.

It is an arithmetic number, because the mean of its divisors is an integer number (7856807040).

Almost surely, 2201001212030 is an apocalyptic number.

201001212030 is an abundant number, since it is smaller than the sum of its proper divisors (301834438530).

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

201001212030 is a wasteful number, since it uses less digits than its factorization.

201001212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702833.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201001212030 its reverse (30212100102), we get a palindrome (231213312132).

The spelling of 201001212030 in words is "two hundred one billion, one million, two hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 67 74 111 134 185 201 222 335 370 402 555 670 1005 1110 2010 2479 4958 7437 12395 14874 24790 37185 74370 2702719 5405438 8108157 13513595 16216314 27027190 40540785 81081570 100000603 181082173 200001206 300001809 362164346 500003015 543246519 600003618 905410865 1000006030 1086493038 1500009045 1810821730 2716232595 3000018090 5432465190 6700040401 13400080802 20100121203 33500202005 40200242406 67000404010 100500606015 201001212030