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20484882756 = 223213219177211
BaseRepresentation
bin10011000100111111…
…101000000101000100
31221212121220212100100
4103010333220011010
5313423112222011
613224410044100
71323430426152
oct230477500504
957777825310
1020484882756
118762200678
123b78419630
131c15c98c00
14dc48643d2
157ed5e9d56
hex4c4fe8144

20484882756 has 108 divisors (see below), whose sum is σ = 59022228720. Its totient is φ = 5971268160.

The previous prime is 20484882709. The next prime is 20484882757. The reversal of 20484882756 is 65728848402.

It is not an unprimeable number, because it can be changed into a prime (20484882757) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26991 + ... + 204201.

Almost surely, 220484882756 is an apocalyptic number.

20484882756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20484882756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29511114360).

20484882756 is an abundant number, since it is smaller than the sum of its proper divisors (38537345964).

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

20484882756 is a wasteful number, since it uses less digits than its factorization.

20484882756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177266 (or 177248 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 20484882756 in words is "twenty billion, four hundred eighty-four million, eight hundred eighty-two thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 169 171 228 234 247 338 342 468 494 507 676 684 741 988 1014 1482 1521 2028 2223 2964 3042 3211 4446 6084 6422 8892 9633 12844 19266 28899 38532 57798 115596 177211 354422 531633 708844 1063266 1594899 2126532 2303743 3189798 3367009 4607486 6379596 6734018 6911229 9214972 10101027 13468036 13822458 20202054 20733687 27644916 29948659 30303081 40404108 41467374 43771117 59897318 60606162 82934748 87542234 89845977 119794636 121212324 131313351 175084468 179691954 262626702 269537931 359383908 393940053 525253404 539075862 569024521 787880106 1078151724 1138049042 1575760212 1707073563 2276098084 3414147126 5121220689 6828294252 10242441378 20484882756