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242665406523560 = 23519319296587531
BaseRepresentation
bin110111001011001111110001…
…010110101110100010101000
31011211012120211102011122010202
4313023033301112232202220
5223301312223032223220
62220034540533531332
7102053665664121446
oct6713176126564250
91154176742148122
10242665406523560
1170358903787a49
12232722217a3b48
13a55333261a947
1443cd0d5769b96
151d0c43dd12275
hexdcb3f15ae8a8

242665406523560 has 32 divisors (see below), whose sum is σ = 574733857557600. Its totient is φ = 91957417208640.

The previous prime is 242665406523521. The next prime is 242665406523607. The reversal of 242665406523560 is 65325604566242.

It is a junction number, because it is equal to n+sod(n) for n = 242665406523496 and 242665406523505.

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, 159648293006 + ... + 159648294525.

It is an arithmetic number, because the mean of its divisors is an integer number (17960433048675).

Almost surely, 2242665406523560 is an apocalyptic number.

242665406523560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242665406523560 is an abundant number, since it is smaller than the sum of its proper divisors (332068451034040).

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

242665406523560 is a wasteful number, since it uses less digits than its factorization.

242665406523560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319296587561 (or 319296587557 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 242665406523560 in words is "two hundred forty-two trillion, six hundred sixty-five billion, four hundred six million, five hundred twenty-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 319296587531 638593175062 1277186350124 1596482937655 2554372700248 3192965875310 6066635163089 6385931750620 12133270326178 12771863501240 24266540652356 30333175815445 48533081304712 60666351630890 121332703261780 242665406523560