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142121231203 = 7101201020129
BaseRepresentation
bin1000010001011100010…
…1011110001101100011
3111120211200011120220211
42010113011132031203
54312031013344303
6145142315114551
713160616350560
oct2042705361543
9446750146824
10142121231203
1155300803586
1223664142a57
131052c1a47a3
146c43243867
153a6c07e66d
hex211715e363

142121231203 has 8 divisors (see below), whose sum is σ = 164032426080. Its totient is φ = 120612076800.

The previous prime is 142121231183. The next prime is 142121231207. The reversal of 142121231203 is 302132121241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142121231203 - 25 = 142121231171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142121231207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100509358 + ... + 100510771.

It is an arithmetic number, because the mean of its divisors is an integer number (20504053260).

Almost surely, 2142121231203 is an apocalyptic number.

142121231203 is a deficient number, since it is larger than the sum of its proper divisors (21911194877).

142121231203 is a wasteful number, since it uses less digits than its factorization.

142121231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201020237.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 142121231203 its reverse (302132121241), we get a palindrome (444253352444).

The spelling of 142121231203 in words is "one hundred forty-two billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred three".

Divisors: 1 7 101 707 201020129 1407140903 20303033029 142121231203