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42911055472 = 24232937109997
BaseRepresentation
bin100111111101101100…
…101011111001110000
311002202112201110212211
4213331230223321300
51200340212233342
631414004501504
73046242644665
oct477554537160
9132675643784
1042911055472
111722019910a
1283969aa894
13407b1c43ac
14211105da6c
1511b235bc17
hex9fdb2be70

42911055472 has 160 divisors (see below), whose sum is σ = 93111004800. Its totient is φ = 19083423744.

The previous prime is 42911055433. The next prime is 42911055487. The reversal of 42911055472 is 27455011924.

It is a super-2 number, since 2×429110554722 (a number of 22 digits) contains 22 as substring.

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, 43039678 + ... + 43040674.

It is an arithmetic number, because the mean of its divisors is an integer number (581943780).

Almost surely, 242911055472 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 42911055472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46555502400).

42911055472 is an abundant number, since it is smaller than the sum of its proper divisors (50199949328).

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

42911055472 is a wasteful number, since it uses less digits than its factorization.

42911055472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 42911055472 in words is "forty-two billion, nine hundred eleven million, fifty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 23 29 37 46 58 74 92 109 116 148 184 218 232 296 368 436 464 592 667 851 872 997 1073 1334 1702 1744 1994 2146 2507 2668 3161 3404 3988 4033 4292 5014 5336 6322 6808 7976 8066 8584 10028 10672 12644 13616 15952 16132 17168 20056 22931 24679 25288 28913 32264 36889 40112 45862 49358 50576 57826 64528 72703 73778 91724 92759 98716 108673 115652 116957 145406 147556 183448 185518 197432 217346 231304 233914 290812 295112 366896 371036 394864 434692 462608 467828 581624 590224 664999 742072 848447 869384 935656 1069781 1163248 1329998 1484144 1696894 1738768 1871312 2139562 2499479 2659996 2690011 3151517 3393788 4020901 4279124 4998958 5319992 5380022 6303034 6787576 8041802 8558248 9997916 10639984 10760044 12606068 13575152 16083604 17116496 19995832 21520088 24604963 25212136 32167208 39991664 43040176 49209926 50424272 64334416 72484891 92480723 98419852 116606129 144969782 184961446 196839704 233212258 289939564 369922892 393679408 466424516 579879128 739845784 932849032 1159758256 1479691568 1865698064 2681940967 5363881934 10727763868 21455527736 42911055472