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42134315245020 = 22345173449443587
BaseRepresentation
bin10011001010010001010001…
…11001001001110111011100
312112012000000212121021020000
421211020220321021313130
521010312034200320040
6225340123123054300
711606050416225315
oct1145105071116734
9175160025537200
1042134315245020
1112475076575489
124885ab4b11390
131a68330a2cb7b
14a594515a960c
154d1024804130
hex265228e49ddc

42134315245020 has 240 divisors, whose sum is σ = 139992912813600. Its totient is φ = 10571797057536.

The previous prime is 42134315245007. The next prime is 42134315245021. The reversal of 42134315245020 is 2054251343124.

It is a happy number.

42134315245020 is a `hidden beast` number, since 4 + 2 + 1 + 34 + 3 + 152 + 450 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134315245021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 94763667 + ... + 95207253.

It is an arithmetic number, because the mean of its divisors is an integer number (583303803390).

Almost surely, 242134315245020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42134315245020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69996456406800).

42134315245020 is an abundant number, since it is smaller than the sum of its proper divisors (97858597568580).

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

42134315245020 is a wasteful number, since it uses less digits than its factorization.

42134315245020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447074 (or 447063 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 42134315245020 its reverse (2054251343124), we get a palindrome (44188566588144).

The spelling of 42134315245020 in words is "forty-two trillion, one hundred thirty-four billion, three hundred fifteen million, two hundred forty-five thousand, twenty".