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268740260580 = 223511407182213
BaseRepresentation
bin1111101001001000101…
…0101111001011100100
3221200122222012201202110
43322102022233023210
513400340001314310
6323242500241020
725262430344661
oct3722212571344
9850588181673
10268740260580
11a3a76964410
12441006a0170
131c45a786b8c
14d015696a68
156ecd198d20
hex3e922af2e4

268740260580 has 48 divisors (see below), whose sum is σ = 820879343424. Its totient is φ = 65149153920.

The previous prime is 268740260497. The next prime is 268740260587. The reversal of 268740260580 is 85062047862.

It is not an unprimeable number, because it can be changed into a prime (268740260587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203590447 + ... + 203591766.

It is an arithmetic number, because the mean of its divisors is an integer number (17101652988).

Almost surely, 2268740260580 is an apocalyptic number.

268740260580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268740260580 is an abundant number, since it is smaller than the sum of its proper divisors (552139082844).

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

268740260580 is a wasteful number, since it uses less digits than its factorization.

268740260580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407182236 (or 407182234 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 268740260580 in words is "two hundred sixty-eight billion, seven hundred forty million, two hundred sixty thousand, five hundred eighty".

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 407182213 814364426 1221546639 1628728852 2035911065 2443093278 4071822130 4479004343 4886186556 6107733195 8143644260 8958008686 12215466390 13437013029 17916017372 22395021715 24430932780 26874026058 44790043430 53748052116 67185065145 89580086860 134370130290 268740260580