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42129964800000 = 211325572112359
BaseRepresentation
bin10011001010001001001011…
…00101100001100000000000
312112011120210200110202120200
421211010211211201200000
521010224131442100000
6225334123314005200
711605534542112200
oct1145044545414000
9175146720422520
1042129964800000
1112473243892780
12488509bb76800
131a67ab962a84c
14a5915b8b0400
154d0d6c908500
hex265125961800

42129964800000 has 5184 divisors, whose sum is σ = 204808553913600. Its totient is φ = 8231731200000.

The previous prime is 42129964799987. The next prime is 42129964800019. The reversal of 42129964800000 is 846992124.

42129964800000 is a `hidden beast` number, since 42 + 129 + 9 + 6 + 480 + 0 + 0 + 0 + 0 = 666.

It is a super-3 number, since 3×421299648000003 (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 714067199971 + ... + 714067200029.

It is an arithmetic number, because the mean of its divisors is an integer number (39507822900).

Almost surely, 242129964800000 is an apocalyptic number.

42129964800000 is a gapful number since it is divisible by the number (40) 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 42129964800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102404276956800).

42129964800000 is an abundant number, since it is smaller than the sum of its proper divisors (162678589113600).

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

42129964800000 is a wasteful number, since it uses less digits than its factorization.

42129964800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 42129964800000 in words is "forty-two trillion, one hundred twenty-nine billion, nine hundred sixty-four million, eight hundred thousand".