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210001312142 = 2239443991723
BaseRepresentation
bin1100001110010100001…
…1011011100110001110
3202002001100111222112122
43003211003123212032
511420040313442032
6240250120532542
721113012462306
oct3034503334616
9662040458478
10210001312142
11810742a2026
1234849021152
1316a5937895b
14a2424a6606
1556e14e1012
hex30e50db98e

210001312142 has 16 divisors (see below), whose sum is σ = 317034328320. Its totient is φ = 104325187512.

The previous prime is 210001312127. The next prime is 210001312189. The reversal of 210001312142 is 241213100012.

210001312142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2100013121422 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210001312142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284108 + ... + 707615.

It is an arithmetic number, because the mean of its divisors is an integer number (19814645520).

Almost surely, 2210001312142 is an apocalyptic number.

210001312142 is a deficient number, since it is larger than the sum of its proper divisors (107033016178).

210001312142 is a wasteful number, since it uses less digits than its factorization.

210001312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992407.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210001312142 its reverse (241213100012), we get a palindrome (451214412154).

The spelling of 210001312142 in words is "two hundred ten billion, one million, three hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 239 443 478 886 105877 211754 991723 1983446 237021797 439333289 474043594 878666578 105000656071 210001312142