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21211002310010 = 256731658212403
BaseRepresentation
bin1001101001010100100100…
…10000100000110101111010
32210002202022012221212121112
410310222102100200311322
510240010113042410020
6113040111104240322
74316305260561332
oct464522220406572
983082265855545
1021211002310010
11683859891a517
122466a019100a2
13bab25c124646
14534891a980c2
1526bb3091a2c5
hex134a92420d7a

21211002310010 has 16 divisors (see below), whose sum is σ = 38749651982496. Its totient is φ = 8357768074128.

The previous prime is 21211002310009. The next prime is 21211002310013. The reversal of 21211002310010 is 1001320011212.

It is a super-2 number, since 2×212110023100102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21211002310013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15829105532 + ... + 15829106871.

It is an arithmetic number, because the mean of its divisors is an integer number (2421853248906).

Almost surely, 221211002310010 is an apocalyptic number.

21211002310010 is a deficient number, since it is larger than the sum of its proper divisors (17538649672486).

21211002310010 is a wasteful number, since it uses less digits than its factorization.

21211002310010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31658212477.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21211002310010 its reverse (1001320011212), we get a palindrome (22212322321222).

The spelling of 21211002310010 in words is "twenty-one trillion, two hundred eleven billion, two million, three hundred ten thousand, ten".

Divisors: 1 2 5 10 67 134 335 670 31658212403 63316424806 158291062015 316582124030 2121100231001 4242200462002 10605501155005 21211002310010