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107121210 = 2357510101
BaseRepresentation
bin1100110001010…
…00101000111010
321110120022200020
412120220220322
5204410334320
614343551310
72440341510
oct630505072
9243508606
10107121210
1155515829
122ba5b536
1319267c41
14103264b0
15960e940
hex6628a3a

107121210 has 32 divisors (see below), whose sum is σ = 293818752. Its totient is φ = 24484800.

The previous prime is 107121197. The next prime is 107121229. The reversal of 107121210 is 12121701.

It is a super-2 number, since 2×1071212102 = 22949907263728200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 107121210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254841 + ... + 255260.

It is an arithmetic number, because the mean of its divisors is an integer number (9181836).

Almost surely, 2107121210 is an apocalyptic number.

107121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

107121210 is an abundant number, since it is smaller than the sum of its proper divisors (186697542).

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

107121210 is a wasteful number, since it uses less digits than its factorization.

107121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510118.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 107121210 is about 10349.9376809718. The cubic root of 107121210 is about 474.9251368628.

Adding to 107121210 its reverse (12121701), we get a palindrome (119242911).

The spelling of 107121210 in words is "one hundred seven million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 510101 1020202 1530303 2550505 3060606 3570707 5101010 7141414 7651515 10712121 15303030 17853535 21424242 35707070 53560605 107121210