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56628826851 = 3131144799581
BaseRepresentation
bin110100101111010101…
…110101001011100011
312102011120010110120110
4310233111311023203
51411433434424401
642003120142403
74043213041362
oct645725651343
9172146113513
1056628826851
112201a550853
12ab84a67a03
1354561b838c
142a52c6b7d9
1517167e19d6
hexd2f5752e3

56628826851 has 16 divisors (see below), whose sum is σ = 76134820608. Its totient is φ = 37438096800.

The previous prime is 56628826841. The next prime is 56628826873. The reversal of 56628826851 is 15862882665.

It is not a de Polignac number, because 56628826851 - 217 = 56628695779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56628826791 and 56628826800.

It is not an unprimeable number, because it can be changed into a prime (56628826841) 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, 518881 + ... + 618461.

It is an arithmetic number, because the mean of its divisors is an integer number (4758426288).

Almost surely, 256628826851 is an apocalyptic number.

56628826851 is a deficient number, since it is larger than the sum of its proper divisors (19505993757).

56628826851 is a wasteful number, since it uses less digits than its factorization.

56628826851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101162.

The product of its digits is 11059200, while the sum is 57.

The spelling of 56628826851 in words is "fifty-six billion, six hundred twenty-eight million, eight hundred twenty-six thousand, eight hundred fifty-one".

Divisors: 1 3 131 393 1447 4341 99581 189557 298743 568671 13045111 39135333 144093707 432281121 18876275617 56628826851