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2251513443660 = 22351320249142553
BaseRepresentation
bin100000110000111000101…
…010001011010101001100
321222020112211202121111020
4200300320222023111030
5243342044420144120
64442155254554140
7321444413334015
oct40607052132514
97866484677436
102251513443660
11798952707718
12304437368950
13134417041650
147ad8c2a400c
153d878ae9640
hex20c38a8b54c

2251513443660 has 96 divisors (see below), whose sum is σ = 6789561912000. Its totient is φ = 554187436032.

The previous prime is 2251513443611. The next prime is 2251513443671. The reversal of 2251513443660 is 663443151522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15722944 + ... + 15865496.

It is an arithmetic number, because the mean of its divisors is an integer number (70724603250).

Almost surely, 22251513443660 is an apocalyptic number.

2251513443660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251513443660 is an abundant number, since it is smaller than the sum of its proper divisors (4538048468340).

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

2251513443660 is a wasteful number, since it uses less digits than its factorization.

2251513443660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162827 (or 162825 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 2251513443660 in words is "two trillion, two hundred fifty-one billion, five hundred thirteen million, four hundred forty-three thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 20249 40498 60747 80996 101245 121494 142553 202490 242988 263237 285106 303735 404980 427659 526474 570212 607470 712765 789711 855318 1052948 1214940 1316185 1425530 1579422 1710636 1853189 2138295 2632370 2851060 3158844 3706378 3948555 4276590 5264740 5559567 7412756 7897110 8553180 9265945 11119134 15794220 18531890 22238268 27797835 37063780 55595670 111191340 2886555697 5773111394 8659667091 11546222788 14432778485 17319334182 28865556970 34638668364 37525224061 43298335455 57731113940 75050448122 86596670910 112575672183 150100896244 173193341820 187626120305 225151344366 375252240610 450302688732 562878360915 750504481220 1125756721830 2251513443660