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42104010131568 = 243271161259324007
BaseRepresentation
bin10011001001011000110101…
…00100010100100001110000
312112002002210212011222212200
421210230122210110201300
521004313003043202233
6225314152031223200
711603625423062010
oct1144543244244160
9175062725158780
1042104010131568
1112463235085180
124880057977b00
131a65511399688
14a57bb8819c40
154d034e00b313
hex264b1a914870

42104010131568 has 480 divisors, whose sum is σ = 149380504845312. Its totient is φ = 10752229785600.

The previous prime is 42104010131567. The next prime is 42104010131581. The reversal of 42104010131568 is 86513101040124.

42104010131568 is a `hidden beast` number, since 4 + 2 + 10 + 40 + 10 + 1 + 31 + 568 = 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 (42104010131567) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1753810221 + ... + 1753834227.

Almost surely, 242104010131568 is an apocalyptic number.

42104010131568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42104010131568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74690252422656).

42104010131568 is an abundant number, since it is smaller than the sum of its proper divisors (107276494713744).

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

42104010131568 is a wasteful number, since it uses less digits than its factorization.

42104010131568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26693 (or 26684 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 42104010131568 in words is "forty-two trillion, one hundred four billion, ten million, one hundred thirty-one thousand, five hundred sixty-eight".