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42743238078 = 2389748710691
BaseRepresentation
bin100111110011101100…
…100000110110111110
311002022211221110200210
4213303230200312332
51200014232104303
631345211533250
73042134346312
oct476354406676
9132284843623
1042743238078
1117144497452
12834a75a226
1340524c7668
1420d6a57b42
1511a275d203
hex9f3b20dbe

42743238078 has 32 divisors (see below), whose sum is σ = 86466631680. Its totient is φ = 14084459840.

The previous prime is 42743238067. The next prime is 42743238079. The reversal of 42743238078 is 87083234724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42743238079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3992713 + ... + 4003403.

It is an arithmetic number, because the mean of its divisors is an integer number (2702082240).

Almost surely, 242743238078 is an apocalyptic number.

42743238078 is an abundant number, since it is smaller than the sum of its proper divisors (43723393602).

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

42743238078 is a wasteful number, since it uses less digits than its factorization.

42743238078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18272.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 42743238078 in words is "forty-two billion, seven hundred forty-three million, two hundred thirty-eight thousand, seventy-eight".

Divisors: 1 2 3 6 89 178 267 534 7487 10691 14974 21382 22461 32073 44922 64146 666343 951499 1332686 1902998 1999029 2854497 3998058 5708994 80043517 160087034 240130551 480261102 7123873013 14247746026 21371619039 42743238078