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10003121210 = 253313022091
BaseRepresentation
bin10010101000011101…
…11000010000111010
3221211010122012121202
421110032320100322
5130441244334320
64332333334202
7502613061455
oct112416702072
927733565552
1010003121210
114273557025
121b32037362
13c35541044
146ac73649c
153d82c7b75
hex2543b843a

10003121210 has 16 divisors (see below), whose sum is σ = 18060021792. Its totient is φ = 3989158800.

The previous prime is 10003121189. The next prime is 10003121213. The reversal of 10003121210 is 1212130001.

It is a junction number, because it is equal to n+sod(n) for n = 10003121191 and 10003121200.

It is not an unprimeable number, because it can be changed into a prime (10003121213) 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, 1507736 + ... + 1514355.

It is an arithmetic number, because the mean of its divisors is an integer number (1128751362).

Almost surely, 210003121210 is an apocalyptic number.

10003121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10003121210 is a deficient number, since it is larger than the sum of its proper divisors (8056900582).

10003121210 is a wasteful number, since it uses less digits than its factorization.

10003121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022429.

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

Adding to 10003121210 its reverse (1212130001), we get a palindrome (11215251211).

The spelling of 10003121210 in words is "ten billion, three million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 331 662 1655 3310 3022091 6044182 15110455 30220910 1000312121 2000624242 5001560605 10003121210