Search a number
-
+
68350410733220 = 225711162532730781
BaseRepresentation
bin11111000101010000100011…
…11100111011011010100100
322222000020100122101112020222
433202220101330323122210
532424323120121430340
6401211424544343512
720253103616150120
oct1742502174733244
9288006318345228
1068350410733220
111a862278a70630
1277ba926314b98
132c1a55416ca75
1412c426b204580
157d7e3eb508b5
hex3e2a11f3b6a4

68350410733220 has 96 divisors (see below), whose sum is σ = 178964878692096. Its totient is φ = 21302705548800.

The previous prime is 68350410733219. The next prime is 68350410733249. The reversal of 68350410733220 is 2233701405386.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 23664230 + ... + 26395010.

It is an arithmetic number, because the mean of its divisors is an integer number (1864217486376).

Almost surely, 268350410733220 is an apocalyptic number.

It is an amenable number.

68350410733220 is an abundant number, since it is smaller than the sum of its proper divisors (110614467958876).

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

68350410733220 is a wasteful number, since it uses less digits than its factorization.

68350410733220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747061 (or 2747059 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 68350410733220 in words is "sixty-eight trillion, three hundred fifty billion, four hundred ten million, seven hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 16253 32506 65012 81265 113771 162530 178783 227542 325060 357566 455084 568855 715132 893915 1137710 1251481 1787830 2275420 2502962 2730781 3575660 5005924 5461562 6257405 10923124 12514810 13653905 19115467 25029620 27307810 30038591 38230934 54615620 60077182 76461868 95577335 120154364 150192955 191154670 210270137 300385910 382309340 420540274 600771820 841080548 1051350685 2102701370 4205402740 44383383593 88766767186 177533534372 221916917965 310683685151 443833835930 488217219523 621367370302 887667671860 976434439046 1242734740604 1553418425755 1952868878092 2441086097615 3106836851510 3417520536661 4882172195230 6213673703020 6835041073322 9764344390460 13670082146644 17087602683305 34175205366610 68350410733220