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168126426260 = 225131722397283
BaseRepresentation
bin1001110010010100011…
…1011010110010010100
3121001222000112101010022
42130211013122302110
510223310331120020
6205123004444312
715101221021022
oct2344507326224
9531860471108
10168126426260
1165335a91521
1228701249698
1312b14a46980
1481ccccb712
15459010c625
hex27251dac94

168126426260 has 144 divisors (see below), whose sum is σ = 421471645056. Its totient is φ = 55885006848.

The previous prime is 168126426257. The next prime is 168126426271. The reversal of 168126426260 is 62624621861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1679579 + ... + 1776861.

It is an arithmetic number, because the mean of its divisors is an integer number (2926886424).

Almost surely, 2168126426260 is an apocalyptic number.

168126426260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168126426260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210735822528).

168126426260 is an abundant number, since it is smaller than the sum of its proper divisors (253345218796).

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

168126426260 is a wasteful number, since it uses less digits than its factorization.

168126426260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97362 (or 97343 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 168126426260 in words is "one hundred sixty-eight billion, one hundred twenty-six million, four hundred twenty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 17 20 23 26 34 46 52 65 68 85 92 115 130 170 221 230 260 289 299 340 391 442 460 578 598 782 884 1105 1156 1196 1445 1495 1564 1955 2210 2890 2990 3757 3910 4420 5083 5780 5980 6647 7514 7820 10166 13294 15028 18785 20332 25415 26588 33235 37570 50830 66470 75140 86411 97283 101660 132940 172822 194566 345644 389132 432055 486415 864110 972830 1264679 1653811 1728220 1945660 2237509 2529358 3307622 4475018 5058716 6323395 6615244 8269055 8950036 11187545 12646790 16538110 21499543 22375090 25293580 28114787 29087617 33076220 38037653 42999086 44750180 56229574 58175234 76075306 85998172 107497715 112459148 116350468 140573935 145438085 152150612 190188265 214995430 281147870 290876170 365492231 380376530 429990860 494489489 562295740 581752340 646640101 730984462 760753060 988978978 1293280202 1461968924 1827461155 1977957956 2472447445 2586560404 3233200505 3654922310 4944894890 6466401010 7309844620 8406321313 9889789780 12932802020 16812642626 33625285252 42031606565 84063213130 168126426260