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10031231210 = 25711131002121
BaseRepresentation
bin10010101011110100…
…00111000011101010
3221220002112100021212
421111322013003222
5131020443344320
64335220033122
7503404026020
oct112572070352
927802470255
1010031231210
114288406530
121b3b5327a2
13c3b303990
146b2372710
153da9cb9c5
hex255e870ea

10031231210 has 64 divisors (see below), whose sum is σ = 24243335424. Its totient is φ = 2886105600.

The previous prime is 10031231183. The next prime is 10031231213. The reversal of 10031231210 is 1213213001.

10031231210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (10031231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491051 + ... + 511070.

It is an arithmetic number, because the mean of its divisors is an integer number (378802116).

Almost surely, 210031231210 is an apocalyptic number.

10031231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031231210 is an abundant number, since it is smaller than the sum of its proper divisors (14212104214).

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

10031231210 is a wasteful number, since it uses less digits than its factorization.

10031231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002159.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10031231210 its reverse (1213213001), we get a palindrome (11244444211).

The spelling of 10031231210 in words is "ten billion, thirty-one million, two hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 1002121 2004242 5010605 7014847 10021210 11023331 13027573 14029694 22046662 26055146 35074235 55116655 65137865 70148470 77163317 91193011 110233310 130275730 143303303 154326634 182386022 286606606 385816585 455965055 716516515 771633170 911930110 1003123121 1433033030 2006246242 5015615605 10031231210