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42937857270 = 233571117313919
BaseRepresentation
bin100111111111010010…
…111011010011110110
311002211102011011001000
4213333102323103312
51200414042413040
631420403144130
73050016523230
oct477722732366
9132742134030
1042937857270
1117234334760
1283a3975046
134083919749
142114839250
1511b48a3130
hex9ff4bb4f6

42937857270 has 512 divisors, whose sum is σ = 156067430400. Its totient is φ = 8124364800.

The previous prime is 42937857241. The next prime is 42937857271. The reversal of 42937857270 is 7275873924.

42937857270 is a `hidden beast` number, since 4 + 293 + 7 + 85 + 7 + 270 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42937857271) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10954371 + ... + 10958289.

It is an arithmetic number, because the mean of its divisors is an integer number (304819200).

Almost surely, 242937857270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42937857270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78033715200).

42937857270 is an abundant number, since it is smaller than the sum of its proper divisors (113129573130).

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

42937857270 is a wasteful number, since it uses less digits than its factorization.

42937857270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 42937857270 in words is "forty-two billion, nine hundred thirty-seven million, eight hundred fifty-seven thousand, two hundred seventy".