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42578538750 = 23254112311009
BaseRepresentation
bin100111101001111000…
…001111000011111110
311001220101000212200200
4213221320033003332
51144200101220000
631321005504330
73035064415326
oct475170170376
9131811025620
1042578538750
111706a525400
1283035720a6
13402734cc37
1420bcc24286
151193078500
hex9e9e0f0fe

42578538750 has 360 divisors, whose sum is σ = 130929839040. Its totient is φ = 9979200000.

The previous prime is 42578538731. The next prime is 42578538763. The reversal of 42578538750 is 5783587524.

42578538750 is a `hidden beast` number, since 4 + 2 + 57 + 8 + 538 + 7 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 42198246 + ... + 42199254.

Almost surely, 242578538750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42578538750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65464919520).

42578538750 is an abundant number, since it is smaller than the sum of its proper divisors (88351300290).

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

42578538750 is a wasteful number, since it uses less digits than its factorization.

42578538750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 54.

The spelling of 42578538750 in words is "forty-two billion, five hundred seventy-eight million, five hundred thirty-eight thousand, seven hundred fifty".