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245151323540 = 22512257566177
BaseRepresentation
bin1110010001010000101…
…0000101010110010100
3212102210000110120102122
43210110022011112110
513004032214323130
6304342043355112
723466035603534
oct3442412052624
9772700416378
10245151323540
1194a71592922
123b618822a98
131a16b6a3776
14bc188a14c4
15659c3042e5
hex3914285594

245151323540 has 12 divisors (see below), whose sum is σ = 514817779476. Its totient is φ = 98060529408.

The previous prime is 245151323537. The next prime is 245151323551. The reversal of 245151323540 is 45323151542.

245151323540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151934684944 + 93216638596 = 389788^2 + 305314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245151323540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128783069 + ... + 6128783108.

It is an arithmetic number, because the mean of its divisors is an integer number (42901481623).

Almost surely, 2245151323540 is an apocalyptic number.

245151323540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245151323540 is an abundant number, since it is smaller than the sum of its proper divisors (269666455936).

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

245151323540 is a wasteful number, since it uses less digits than its factorization.

245151323540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257566186 (or 12257566184 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 245151323540 in words is "two hundred forty-five billion, one hundred fifty-one million, three hundred twenty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 12257566177 24515132354 49030264708 61287830885 122575661770 245151323540