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210142237020 = 223517206021801
BaseRepresentation
bin1100001110110101110…
…1000001000101011100
3202002102011200201010120
43003231131001011130
511420332403041040
6240312113234540
721116343354102
oct3035535010534
9662364621116
10210142237020
11811368a5a71
1234888262a50
1316a7c61ac61
14a2570abc72
1556eda7b7d0
hex30ed74115c

210142237020 has 48 divisors (see below), whose sum is σ = 623009929248. Its totient is φ = 52741580800.

The previous prime is 210142237001. The next prime is 210142237021. The reversal of 210142237020 is 20732241012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210142237021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103009881 + ... + 103011920.

It is an arithmetic number, because the mean of its divisors is an integer number (12979373526).

Almost surely, 2210142237020 is an apocalyptic number.

210142237020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210142237020 is an abundant number, since it is smaller than the sum of its proper divisors (412867692228).

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

210142237020 is a wasteful number, since it uses less digits than its factorization.

210142237020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206021830 (or 206021828 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 210142237020 its reverse (20732241012), we get a palindrome (230874478032).

The spelling of 210142237020 in words is "two hundred ten billion, one hundred forty-two million, two hundred thirty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 206021801 412043602 618065403 824087204 1030109005 1236130806 2060218010 2472261612 3090327015 3502370617 4120436020 6180654030 7004741234 10507111851 12361308060 14009482468 17511853085 21014223702 35023706170 42028447404 52535559255 70047412340 105071118510 210142237020