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201010102210 = 2580369250109
BaseRepresentation
bin1011101100110100100…
…0101011111111000010
3201012211201222012020101
42323031020223333002
511243132041232320
6232202012033014
720344134451261
oct2731510537702
9635751865211
10201010102210
117827aa64a15
1232b59a6276a
1315c556855a8
149a2c2dc5d8
155366e9dc0a
hex2ecd22bfc2

201010102210 has 16 divisors (see below), whose sum is σ = 361824132600. Its totient is φ = 80402718976.

The previous prime is 201010102147. The next prime is 201010102217. The reversal of 201010102210 is 12201010102.

It can be written as a sum of positive squares in 4 ways, for example, as 179324300089 + 21685802121 = 423467^2 + 147261^2 .

It is a super-2 number, since 2×2010101022102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (201010102217) 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, 678636 + ... + 928744.

Almost surely, 2201010102210 is an apocalyptic number.

201010102210 is a deficient number, since it is larger than the sum of its proper divisors (160814030390).

201010102210 is a wasteful number, since it uses less digits than its factorization.

201010102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330485.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201010102210 its reverse (12201010102), we get a palindrome (213211112312).

The spelling of 201010102210 in words is "two hundred one billion, ten million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 80369 160738 250109 401845 500218 803690 1250545 2501090 20101010221 40202020442 100505051105 201010102210