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268772545760 = 2554339065777
BaseRepresentation
bin1111101001010000010…
…1111001010011100000
3221200202012221222200212
43322110011321103200
513400421232431020
6323250012233252
725263301641605
oct3722405712340
9850665858625
10268772545760
11a3a93105784
124410b46b828
131c46437c034
14d019a9c6ac
156ed0e24cc5
hex3e941794e0

268772545760 has 48 divisors (see below), whose sum is σ = 649742019696. Its totient is φ = 105008805888.

The previous prime is 268772545753. The next prime is 268772545771. The reversal of 268772545760 is 67545277862.

It is a super-2 number, since 2×2687725457602 (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 268772545760.

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, 19526009 + ... + 19539768.

It is an arithmetic number, because the mean of its divisors is an integer number (13536292077).

Almost surely, 2268772545760 is an apocalyptic number.

268772545760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268772545760 is an abundant number, since it is smaller than the sum of its proper divisors (380969473936).

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

268772545760 is a wasteful number, since it uses less digits than its factorization.

268772545760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39065835 (or 39065827 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 268772545760 in words is "two hundred sixty-eight billion, seven hundred seventy-two million, five hundred forty-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 860 1376 1720 3440 6880 39065777 78131554 156263108 195328885 312526216 390657770 625052432 781315540 1250104864 1562631080 1679828411 3125262160 3359656822 6250524320 6719313644 8399142055 13438627288 16798284110 26877254576 33596568220 53754509152 67193136440 134386272880 268772545760