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268710349338880 = 285613441474761
BaseRepresentation
bin111101000110010000000000…
…111010110111100100000000
31022020102110101021000021010021
4331012100000322313210000
5240210022243412321010
62351255455203343224
7110412452645242621
oct7506200072674400
91266373337007107
10268710349338880
117868a467a34809
1226179a48381b14
13b6c237b06cbc7
144a4d9165dba48
15210eb8d5258da
hexf46400eb7900

268710349338880 has 72 divisors (see below), whose sum is σ = 654196820458104. Its totient is φ = 105722104627200.

The previous prime is 268710349338869. The next prime is 268710349338901. The reversal of 268710349338880 is 88833943017862.

It can be written as a sum of positive squares in 4 ways, for example, as 989022294016 + 267721327044864 = 994496^2 + 16362192^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720659301 + ... + 1720815460.

It is an arithmetic number, because the mean of its divisors is an integer number (9086066950807).

Almost surely, 2268710349338880 is an apocalyptic number.

268710349338880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268710349338880 is an abundant number, since it is smaller than the sum of its proper divisors (385486471119224).

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

268710349338880 is an equidigital number, since it uses as much as digits as its factorization.

268710349338880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441474843 (or 3441474829 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 70.

The spelling of 268710349338880 in words is "two hundred sixty-eight trillion, seven hundred ten billion, three hundred forty-nine million, three hundred thirty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 61 64 80 122 128 160 244 256 305 320 488 610 640 976 1220 1280 1952 2440 3904 4880 7808 9760 15616 19520 39040 78080 3441474761 6882949522 13765899044 17207373805 27531798088 34414747610 55063596176 68829495220 110127192352 137658990440 209929960421 220254384704 275317980880 419859920842 440508769408 550635961760 839719841684 881017538816 1049649802105 1101271923520 1679439683368 2099299604210 2202543847040 3358879366736 4198599208420 4405087694080 6717758733472 8397198416840 13435517466944 16794396833680 26871034933888 33588793667360 53742069867776 67177587334720 134355174669440 268710349338880