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42353645540 = 225109111631669
BaseRepresentation
bin100111011100011110…
…010101011111100100
311001022200212010012112
4213130132111133210
51143220013124130
631242413340152
73026364022103
oct473436253744
9131280763175
1042353645540
1116a6458a848
128260197658
133cbc88b22b
14209b00203a
15117d453495
hex9dc7957e4

42353645540 has 48 divisors (see below), whose sum is σ = 89154112320. Its totient is φ = 16901243520.

The previous prime is 42353645539. The next prime is 42353645557. The reversal of 42353645540 is 4554635324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25375826 + ... + 25377494.

It is an arithmetic number, because the mean of its divisors is an integer number (1857377340).

Almost surely, 242353645540 is an apocalyptic number.

It is an amenable number.

42353645540 is an abundant number, since it is smaller than the sum of its proper divisors (46800466780).

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

42353645540 is a wasteful number, since it uses less digits than its factorization.

42353645540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 42353645540 in words is "forty-two billion, three hundred fifty-three million, six hundred forty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1091 1163 1669 2182 2326 3338 4364 4652 5455 5815 6676 8345 10910 11630 16690 21820 23260 33380 1268833 1820879 1941047 2537666 3641758 3882094 5075332 6344165 7283516 7764188 9104395 9705235 12688330 18208790 19410470 25376660 36417580 38820940 2117682277 4235364554 8470729108 10588411385 21176822770 42353645540