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10101231200 = 255212626539
BaseRepresentation
bin10010110100001010…
…01000111001100000
3222001222020201020002
421122011020321200
5131141403344300
64350200235132
7505214022434
oct113205107140
928058221202
1010101231200
114313977565
121b5aa6baa8
13c4c9724a8
146bb7949c4
153e1c075d5
hex25a148e60

10101231200 has 36 divisors (see below), whose sum is σ = 24659632620. Its totient is φ = 4040492160.

The previous prime is 10101231097. The next prime is 10101231227. The reversal of 10101231200 is 213210101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6312470 + ... + 6314069.

It is an arithmetic number, because the mean of its divisors is an integer number (684989795).

Almost surely, 210101231200 is an apocalyptic number.

10101231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101231200 is an abundant number, since it is smaller than the sum of its proper divisors (14558401420).

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

10101231200 is a wasteful number, since it uses less digits than its factorization.

10101231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626559 (or 12626546 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10101231200 its reverse (213210101), we get a palindrome (10314441301).

The spelling of 10101231200 in words is "ten billion, one hundred one million, two hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 12626539 25253078 50506156 63132695 101012312 126265390 202024624 252530780 315663475 404049248 505061560 631326950 1010123120 1262653900 2020246240 2525307800 5050615600 10101231200