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1010538171220 = 225443883129169
BaseRepresentation
bin11101011010010001100…
…01001100101101010100
310120121101010211222201211
432231020301030231110
5113024040232434340
62052122420031204
7133003035505204
oct16551061145524
93517333758654
101010538171220
1135a6264a8a06
12143a23232504
13743a7614406
1436ca5c5a404
151b4469cc5ea
hexeb48c4cb54

1010538171220 has 48 divisors (see below), whose sum is σ = 2129345749440. Its totient is φ = 402842958336.

The previous prime is 1010538171199. The next prime is 1010538171257. The reversal of 1010538171220 is 221718350101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7758796 + ... + 7887964.

It is an arithmetic number, because the mean of its divisors is an integer number (44361369780).

Almost surely, 21010538171220 is an apocalyptic number.

1010538171220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010538171220 is an abundant number, since it is smaller than the sum of its proper divisors (1118807578220).

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

1010538171220 is a wasteful number, since it uses less digits than its factorization.

1010538171220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130504 (or 130502 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 1010538171220 in words is "one trillion, ten billion, five hundred thirty-eight million, one hundred seventy-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 443 883 886 1766 1772 2215 3532 4415 4430 8830 8860 17660 129169 258338 391169 516676 645845 782338 1291690 1564676 1955845 2583380 3911690 7823380 57221867 114056227 114443734 228112454 228887468 286109335 456224908 570281135 572218670 1140562270 1144437340 2281124540 50526908561 101053817122 202107634244 252634542805 505269085610 1010538171220