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68658227360456 = 2373131098968301
BaseRepresentation
bin11111001110001101111010…
…10000001011001011001000
3100000002122212220200100202112
433213012331100023023020
532444344022201013311
6402005053151121452
720314251610256246
oct1747067520131310
9300078786610675
1068658227360456
111a970877479638
12784a511513288
132c4059b529696
1412d510c519796
157e0e5868728b
hex3e71bd40b2c8

68658227360456 has 32 divisors (see below), whose sum is σ = 130507627534200. Its totient is φ = 33856265203200.

The previous prime is 68658227360423. The next prime is 68658227360461. The reversal of 68658227360456 is 65406372285686.

It is a happy number.

68658227360456 is digitally balanced in base 2, 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 4 ways, for example, as 56823705422500 + 11834521937956 = 7538150^2 + 3440134^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171506 + ... + 12139806.

Almost surely, 268658227360456 is an apocalyptic number.

It is an amenable number.

68658227360456 is a deficient number, since it is larger than the sum of its proper divisors (61849400173744).

68658227360456 is a wasteful number, since it uses less digits than its factorization.

68658227360456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981489 (or 8981485 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 68.

The spelling of 68658227360456 in words is "sixty-eight trillion, six hundred fifty-eight billion, two hundred twenty-seven million, three hundred sixty thousand, four hundred fifty-six".

Divisors: 1 2 4 8 73 146 292 584 13109 26218 52436 104872 956957 1913914 3827828 7655656 8968301 17936602 35873204 71746408 654685973 1309371946 2618743892 5237487784 117565457809 235130915618 470261831236 940523662472 8582278420057 17164556840114 34329113680228 68658227360456