Search a number
-
+
201351028620 = 223571304936739
BaseRepresentation
bin1011101110000101110…
…1001101111110001100
3201020201111111001100110
42323201131031332030
511244331330403440
6232255511200020
720355444334650
oct2734135157614
9636644431313
10201351028620
1178435451a85
1233034076010
1315cab1b27b1
149a616c6a60
155386d94080
hex2ee174df8c

201351028620 has 96 divisors (see below), whose sum is σ = 644390208000. Its totient is φ = 46018312704.

The previous prime is 201351028607. The next prime is 201351028649. The reversal of 201351028620 is 26820153102.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 5462211 + ... + 5498949.

It is an arithmetic number, because the mean of its divisors is an integer number (6712398000).

Almost surely, 2201351028620 is an apocalyptic number.

201351028620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201351028620 is an abundant number, since it is smaller than the sum of its proper divisors (443039179380).

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

201351028620 is a wasteful number, since it uses less digits than its factorization.

201351028620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49807 (or 49805 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 201351028620 in words is "two hundred one billion, three hundred fifty-one million, twenty-eight thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 13049 26098 36739 39147 52196 65245 73478 78294 91343 110217 130490 146956 156588 182686 183695 195735 220434 257173 260980 274029 365372 367390 391470 440868 456715 514346 548058 551085 734780 771519 782940 913430 1028692 1096116 1102170 1285865 1370145 1543038 1826860 2204340 2571730 2740290 3086076 3857595 5143460 5480580 7715190 15430380 479407211 958814422 1438221633 1917628844 2397036055 2876443266 3355850477 4794072110 5752886532 6711700954 7191108165 9588144220 10067551431 13423401908 14382216330 16779252385 20135102862 28764432660 33558504770 40270205724 50337757155 67117009540 100675514310 201351028620