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42900043976 = 2337415366697
BaseRepresentation
bin100111111101000010…
…101011100011001000
311002201210000000221122
4213331002223203020
51200324402401401
631412532454412
73046050233336
oct477502534310
9132653000848
1042900043976
1117214a57aa9
12839317a408
134078b3a30a
14210d7d4b56
1511b13d421b
hex9fd0ab8c8

42900043976 has 64 divisors (see below), whose sum is σ = 86224506480. Its totient is φ = 19976785920.

The previous prime is 42900043933. The next prime is 42900043981. The reversal of 42900043976 is 67934000924.

42900043976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9438122500 + 33461921476 = 97150^2 + 182926^2 .

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, 609860 + ... + 676556.

Almost surely, 242900043976 is an apocalyptic number.

It is an amenable number.

42900043976 is an abundant number, since it is smaller than the sum of its proper divisors (43324462504).

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

42900043976 is a wasteful number, since it uses less digits than its factorization.

42900043976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66834 (or 66830 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 42900043976 in words is "forty-two billion, nine hundred million, forty-three thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 37 41 53 74 82 106 148 164 212 296 328 424 1517 1961 2173 3034 3922 4346 6068 7844 8692 12136 15688 17384 66697 80401 133394 160802 266788 321604 533576 643208 2467789 2734577 3534941 4935578 5469154 7069882 9871156 10938308 14139764 19742312 21876616 28279528 101179349 130792817 144932581 202358698 261585634 289865162 404717396 523171268 579730324 809434792 1046342536 1159460648 5362505497 10725010994 21450021988 42900043976