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65544054132 = 223172371196751
BaseRepresentation
bin111101000010101110…
…101110010101110100
320021011212200221021110
4331002232232111310
52033213234213012
650035512315020
74510146160554
oct750256562564
9207155627243
1065544054132
1125884a00a87
12108526a2a70
136247226aab
14325acd7164
151a8932573c
hexf42bae574

65544054132 has 96 divisors (see below), whose sum is σ = 171353677824. Its totient is φ = 19391680000.

The previous prime is 65544054031. The next prime is 65544054143. The reversal of 65544054132 is 23145044556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234757 + ... + 431507.

It is an arithmetic number, because the mean of its divisors is an integer number (1784934144).

Almost surely, 265544054132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65544054132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85676838912).

65544054132 is an abundant number, since it is smaller than the sum of its proper divisors (105809623692).

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

65544054132 is a wasteful number, since it uses less digits than its factorization.

65544054132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196869 (or 196867 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 65544054132 its reverse (23145044556), we get a palindrome (88689098688).

The spelling of 65544054132 in words is "sixty-five billion, five hundred forty-four million, fifty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 71 92 102 138 142 204 213 276 284 391 426 782 852 1173 1207 1564 1633 2346 2414 3266 3621 4692 4828 4899 6532 7242 9798 14484 19596 27761 55522 83283 111044 166566 196751 333132 393502 590253 787004 1180506 2361012 3344767 4525273 6689534 9050546 10034301 13379068 13575819 13969321 18101092 20068602 27151638 27938642 40137204 41907963 54303276 55877284 76929641 83815926 153859282 167631852 230788923 237478457 307718564 321294383 461577846 474956914 642588766 712435371 923155692 949913828 963883149 1285177532 1424870742 1927766298 2849741484 3855532596 5462004511 10924009022 16386013533 21848018044 32772027066 65544054132