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220101310 = 2511131491033
BaseRepresentation
bin11010001111001…
…11101010111110
3120100011022020101
431013213222332
5422321220220
633501311314
75311554532
oct1507475276
9510138211
10220101310
11103272410
126186553a
13367a4880
1421335bc2
15144ca30a
hexd1e7abe

220101310 has 64 divisors (see below), whose sum is σ = 469022400. Its totient is φ = 73313280.

The previous prime is 220101293. The next prime is 220101311. The reversal of 220101310 is 13101022.

It is a super-2 number, since 2×2201013102 = 96889173327432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101311) 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, 212554 + ... + 213586.

It is an arithmetic number, because the mean of its divisors is an integer number (7328475).

Almost surely, 2220101310 is an apocalyptic number.

220101310 is an abundant number, since it is smaller than the sum of its proper divisors (248921090).

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

220101310 is a wasteful number, since it uses less digits than its factorization.

220101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 220101310 is about 14835.8117405149. The cubic root of 220101310 is about 603.7737245041.

Adding to 220101310 its reverse (13101022), we get a palindrome (233202332).

The spelling of 220101310 in words is "two hundred twenty million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 149 286 298 715 745 1033 1430 1490 1639 1937 2066 3278 3874 5165 8195 9685 10330 11363 13429 16390 19370 21307 22726 26858 42614 56815 67145 106535 113630 134290 147719 153917 213070 295438 307834 738595 769585 1477190 1539170 1693087 2000921 3386174 4001842 8465435 10004605 16930870 20009210 22010131 44020262 110050655 220101310