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268208824620 = 2235112887140761
BaseRepresentation
bin1111100111001001111…
…1011110000100101100
3221122021221012222200010
43321302133132010230
513343242424341440
6323114033533220
725243315252002
oct3716237360454
9848257188603
10268208824620
11a3823986740
1243b92714210
131c3a4646329
14cda4c7aa72
156e9b6c1580
hex3e727de12c

268208824620 has 96 divisors (see below), whose sum is σ = 819545642496. Its totient is φ = 64997337600.

The previous prime is 268208824619. The next prime is 268208824649. The reversal of 268208824620 is 26428802862.

It is a self number, because there is not a number n which added to its sum of digits gives 268208824620.

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, 1835040 + ... + 1975800.

It is an arithmetic number, because the mean of its divisors is an integer number (8536933776).

Almost surely, 2268208824620 is an apocalyptic number.

268208824620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268208824620 is an abundant number, since it is smaller than the sum of its proper divisors (551336817876).

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

268208824620 is a wasteful number, since it uses less digits than its factorization.

268208824620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143671 (or 143669 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 268208824620 in words is "two hundred sixty-eight billion, two hundred eight million, eight hundred twenty-four thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 2887 5774 8661 11548 14435 17322 28870 31757 34644 43305 57740 63514 86610 95271 127028 140761 158785 173220 190542 281522 317570 381084 422283 476355 563044 635140 703805 844566 952710 1407610 1548371 1689132 1905420 2111415 2815220 3096742 4222830 4645113 6193484 7741855 8445660 9290226 15483710 18580452 23225565 30967420 46451130 92902260 406377007 812754014 1219131021 1625508028 2031885035 2438262042 4063770070 4470147077 4876524084 6095655105 8127540140 8940294154 12191310210 13410441231 17880588308 22350735385 24382620420 26820882462 44701470770 53641764924 67052206155 89402941540 134104412310 268208824620