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142530969600 = 2173552179
BaseRepresentation
bin1000010010111110000…
…0100000000000000000
3111121220020011110100000
42010233200200000000
54313400412011400
6145251113200000
713204023152265
oct2045740400000
9447806143300
10142530969600
11554a1020058
1223759400000
1310596045846
146c8182126c
153a93018600
hex212f820000

142530969600 has 648 divisors, whose sum is σ = 532443890160. Its totient is φ = 37795921920.

The previous prime is 142530969599. The next prime is 142530969689. The reversal of 142530969600 is 6969035241.

142530969600 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 30 + 9 + 6 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a super-2 number, since 2×1425309696002 (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 796262311 + ... + 796262489.

It is an arithmetic number, because the mean of its divisors is an integer number (821672670).

Almost surely, 2142530969600 is an apocalyptic number.

142530969600 is a gapful number since it is divisible by the number (10) 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 142530969600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266221945080).

142530969600 is an abundant number, since it is smaller than the sum of its proper divisors (389912920560).

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

142530969600 is an frugal number, since it uses more digits than its factorization.

142530969600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 142530969600 in words is "one hundred forty-two billion, five hundred thirty million, nine hundred sixty-nine thousand, six hundred".