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63385145814 = 23191471377981
BaseRepresentation
bin111011000010000011…
…001001000111010110
320001121102100000211010
4323002003021013112
52014303044131224
645041351353050
74402512564324
oct730203110726
9201542300733
1063385145814
1124977298231
121034b682786
135c91b81b53
1430d42b4d14
1519aea23e29
hexec20c91d6

63385145814 has 32 divisors (see below), whose sum is σ = 133533480960. Its totient is φ = 20002701600.

The previous prime is 63385145771. The next prime is 63385145819. The reversal of 63385145814 is 41854158336.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63385145819) 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, 21297 + ... + 356684.

It is an arithmetic number, because the mean of its divisors is an integer number (4172921280).

Almost surely, 263385145814 is an apocalyptic number.

63385145814 is an abundant number, since it is smaller than the sum of its proper divisors (70148335146).

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

63385145814 is a wasteful number, since it uses less digits than its factorization.

63385145814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379476.

The product of its digits is 1382400, while the sum is 48.

The spelling of 63385145814 in words is "sixty-three billion, three hundred eighty-five million, one hundred forty-five thousand, eight hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 1471 2942 4413 8826 27949 55898 83847 167694 377981 755962 1133943 2267886 7181639 14363278 21544917 43089834 556010051 1112020102 1668030153 3336060306 10564190969 21128381938 31692572907 63385145814