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268300290880 = 2651396031931
BaseRepresentation
bin1111100111011111110…
…0011000101101000000
3221122112022022221210101
43321313330120231000
513343434333302010
6323131102212144
725245505562326
oct3716774305500
9848468287711
10268300290880
11a3870579696
1243bb9284054
131c3ba58c78b
14cdb3089d16
156ea473c73a
hex3e77f18b40

268300290880 has 56 divisors (see below), whose sum is σ = 643486505760. Its totient is φ = 106548011520.

The previous prime is 268300290871. The next prime is 268300290911. The reversal of 268300290880 is 88092003862.

It is a happy number.

It is a super-2 number, since 2×2683002908802 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268300290880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2971486 + ... + 3060445.

It is an arithmetic number, because the mean of its divisors is an integer number (11490830460).

Almost surely, 2268300290880 is an apocalyptic number.

268300290880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268300290880 is an abundant number, since it is smaller than the sum of its proper divisors (375186214880).

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

268300290880 is a wasteful number, since it uses less digits than its factorization.

268300290880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032087 (or 6032077 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 268300290880 in words is "two hundred sixty-eight billion, three hundred million, two hundred ninety thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 139 160 278 320 556 695 1112 1390 2224 2780 4448 5560 8896 11120 22240 44480 6031931 12063862 24127724 30159655 48255448 60319310 96510896 120638620 193021792 241277240 386043584 482554480 838438409 965108960 1676876818 1930217920 3353753636 4192192045 6707507272 8384384090 13415014544 16768768180 26830029088 33537536360 53660058176 67075072720 134150145440 268300290880