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21010414510 = 2519325933931
BaseRepresentation
bin10011100100010100…
…010111101110101110
32000020020210122101101
4103210110113232232
5321012131231020
613352502033314
71342441401541
oct234424275656
960206718341
1021010414510
118a01916438
1240a441883a
131c9ab20247
141034584858
1582e80800a
hex4e4517bae

21010414510 has 32 divisors (see below), whose sum is σ = 39822595200. Its totient is φ = 7959163680.

The previous prime is 21010414489. The next prime is 21010414511. The reversal of 21010414510 is 1541401012.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010414511) 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 15 ways as a sum of consecutive naturals, for example, 602245 + ... + 636175.

It is an arithmetic number, because the mean of its divisors is an integer number (1244456100).

Almost surely, 221010414510 is an apocalyptic number.

21010414510 is a deficient number, since it is larger than the sum of its proper divisors (18812180690).

21010414510 is a wasteful number, since it uses less digits than its factorization.

21010414510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37216.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 21010414510 its reverse (1541401012), we get a palindrome (22551815522).

The spelling of 21010414510 in words is "twenty-one billion, ten million, four hundred fourteen thousand, five hundred ten".

Divisors: 1 2 5 10 19 38 95 190 3259 6518 16295 32590 33931 61921 67862 123842 169655 309605 339310 619210 644689 1289378 3223445 6446890 110581129 221162258 552905645 1105811290 2101041451 4202082902 10505207255 21010414510