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142213585500 = 22325379774621
BaseRepresentation
bin1000010001110010010…
…1110001101001011100
3111121002002221200012100
42010130211301221130
54312223134214000
6145155414405100
713163120350230
oct2043445615134
9447062850170
10142213585500
1155348952748
122368b060790
131054536c1bc
146c516045c0
153a75223a00
hex211c971a5c

142213585500 has 288 divisors, whose sum is σ = 513363247488. Its totient is φ = 32465664000.

The previous prime is 142213585471. The next prime is 142213585511. The reversal of 142213585500 is 5585312241.

142213585500 is a `hidden beast` number, since 1 + 4 + 2 + 21 + 3 + 585 + 50 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30773190 + ... + 30777810.

It is an arithmetic number, because the mean of its divisors is an integer number (1782511276).

Almost surely, 2142213585500 is an apocalyptic number.

142213585500 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 142213585500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256681623744).

142213585500 is an abundant number, since it is smaller than the sum of its proper divisors (371149661988).

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

142213585500 is a wasteful number, since it uses less digits than its factorization.

142213585500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 142213585500 its reverse (5585312241), we get a palindrome (147798897741).

The spelling of 142213585500 in words is "one hundred forty-two billion, two hundred thirteen million, five hundred eighty-five thousand, five hundred".