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42280345683 = 331565938729
BaseRepresentation
bin100111011000000110…
…101110000001010011
311001010120221002201000
4213120012232001103
51143042232030213
631231234313043
73024514002642
oct473006560123
9131116832630
1042280345683
1116a27175554
12823b728783
133caa635734
1420913a1359
151176cc4c73
hex9d81ae053

42280345683 has 8 divisors (see below), whose sum is σ = 62637549200. Its totient is φ = 28186897104.

The previous prime is 42280345661. The next prime is 42280345687. The reversal of 42280345683 is 38654308224.

42280345683 is a `hidden beast` number, since 4 + 2 + 2 + 80 + 3 + 4 + 568 + 3 = 666.

It is not a de Polignac number, because 42280345683 - 28 = 42280345427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42280345687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782969338 + ... + 782969391.

It is an arithmetic number, because the mean of its divisors is an integer number (7829693650).

Almost surely, 242280345683 is an apocalyptic number.

42280345683 is a deficient number, since it is larger than the sum of its proper divisors (20357203517).

42280345683 is a wasteful number, since it uses less digits than its factorization.

42280345683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565938738 (or 1565938732 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 42280345683 in words is "forty-two billion, two hundred eighty million, three hundred forty-five thousand, six hundred eighty-three".

Divisors: 1 3 9 27 1565938729 4697816187 14093448561 42280345683