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68572426063 = 230032981021
BaseRepresentation
bin111111110111001111…
…000010111101001111
320112222221010011120211
4333313033002331033
52110414020113223
651300213023251
74645201001341
oct776717027517
9215887104524
1068572426063
112709938a6a9
1211358924b27
13660a76324b
1434671a7291
151bb5120d0d
hexff73c2f4f

68572426063 has 4 divisors (see below), whose sum is σ = 68575430088. Its totient is φ = 68569422040.

The previous prime is 68572426051. The next prime is 68572426079. The reversal of 68572426063 is 36062427586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68572426063 - 217 = 68572294991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68572425998 and 68572426016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68572426763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467508 + ... + 1513513.

It is an arithmetic number, because the mean of its divisors is an integer number (17143857522).

Almost surely, 268572426063 is an apocalyptic number.

68572426063 is a deficient number, since it is larger than the sum of its proper divisors (3004025).

68572426063 is a wasteful number, since it uses less digits than its factorization.

68572426063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004024.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 68572426063 in words is "sixty-eight billion, five hundred seventy-two million, four hundred twenty-six thousand, sixty-three".

Divisors: 1 23003 2981021 68572426063