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42880787578 = 2891032338867
BaseRepresentation
bin100111111011111001…
…001110010001111010
311002200102202201010201
4213323321032101322
51200304440200303
631411004032414
73045424452256
oct477371162172
9132612681121
1042880787578
11172050a5422
12838883270a
134074b574b5
14210b021266
1511ae87d81d
hex9fbe4e47a

42880787578 has 16 divisors (see below), whose sum is σ = 65675413440. Its totient is φ = 20993661216.

The previous prime is 42880787557. The next prime is 42880787627. The reversal of 42880787578 is 87578708824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151100 + ... + 1187767.

It is an arithmetic number, because the mean of its divisors is an integer number (4104713340).

Almost surely, 242880787578 is an apocalyptic number.

42880787578 is a deficient number, since it is larger than the sum of its proper divisors (22794625862).

42880787578 is a wasteful number, since it uses less digits than its factorization.

42880787578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339061.

The product of its (nonzero) digits is 56197120, while the sum is 64.

The spelling of 42880787578 in words is "forty-two billion, eight hundred eighty million, seven hundred eighty-seven thousand, five hundred seventy-eight".

Divisors: 1 2 89 103 178 206 9167 18334 2338867 4677734 208159163 240903301 416318326 481806602 21440393789 42880787578