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56155426635 = 357311290203
BaseRepresentation
bin110100010011000111…
…111100111101001011
312100221120100020120010
4310103013330331023
51410001242123020
641444125403003
74025404152000
oct642307747513
9170846306503
1056155426635
11218a7302200
12aa72409463
1353ac0b76c9
142a0a03b8a7
1516d9e7ede0
hexd131fcf4b

56155426635 has 96 divisors (see below), whose sum is σ = 115172467200. Its totient is φ = 23337061440.

The previous prime is 56155426627. The next prime is 56155426637. The reversal of 56155426635 is 53662455165.

It is not a de Polignac number, because 56155426635 - 23 = 56155426627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56155426637) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 577444 + ... + 667646.

It is an arithmetic number, because the mean of its divisors is an integer number (1199713200).

Almost surely, 256155426635 is an apocalyptic number.

56155426635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56155426635 is an abundant number, since it is smaller than the sum of its proper divisors (59017040565).

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

56155426635 is a wasteful number, since it uses less digits than its factorization.

56155426635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90254 (or 90229 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 56155426635 in words is "fifty-six billion, one hundred fifty-five million, four hundred twenty-six thousand, six hundred thirty-five".

Divisors: 1 3 5 7 11 15 21 33 35 49 55 77 105 121 147 165 231 245 343 363 385 539 605 735 847 1029 1155 1617 1715 1815 2541 2695 3773 4235 5145 5929 8085 11319 12705 17787 18865 29645 41503 56595 88935 90203 124509 207515 270609 451015 622545 631421 992233 1353045 1894263 2976699 3157105 4419947 4961165 6945631 9471315 10914563 13259841 14883495 20836893 22099735 30939629 32743689 34728155 48619417 54572815 66299205 76401941 92818887 104184465 145858251 154698145 163718445 229205823 243097085 340335919 382009705 464094435 534813587 729291255 1021007757 1146029115 1604440761 1701679595 2674067935 3743695109 5105038785 8022203805 11231085327 18718475545 56155426635