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142213374720 = 283251071131021
BaseRepresentation
bin1000010001110010010…
…0111110001100000000
3111121002002112222001200
42010130210332030000
54312223110442340
6145155410101200
713163115511554
oct2043444761400
9447062488050
10142213374720
115534881934a
122368ab7a800
13105452c7291
146c5158b864
153a751d1330
hex211c93e300

142213374720 has 432 divisors, whose sum is σ = 501527793312. Its totient is φ = 37200199680.

The previous prime is 142213374703. The next prime is 142213374731. The reversal of 142213374720 is 27473312241.

142213374720 is a `hidden beast` number, since 1 + 4 + 2 + 213 + 374 + 72 + 0 = 666.

142213374720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1422133747202 (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139287810 + ... + 139288830.

It is an arithmetic number, because the mean of its divisors is an integer number (1160943966).

Almost surely, 2142213374720 is an apocalyptic number.

142213374720 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 142213374720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250763896656).

142213374720 is an abundant number, since it is smaller than the sum of its proper divisors (359314418592).

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

142213374720 is a wasteful number, since it uses less digits than its factorization.

142213374720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 142213374720 its reverse (27473312241), we get a palindrome (169686686961).

The spelling of 142213374720 in words is "one hundred forty-two billion, two hundred thirteen million, three hundred seventy-four thousand, seven hundred twenty".