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21010130011 = 1311711380157
BaseRepresentation
bin10011100100010011…
…010010010001011011
32000020020021012010101
4103210103102101123
5321012043130021
613352452000231
71342436105233
oct234423222133
960206235111
1021010130011
118a01741712
1240a4300077
131c9aa508c0
14103450ccc3
1582e79da91
hex4e44d245b

21010130011 has 8 divisors (see below), whose sum is σ = 22645632464. Its totient is φ = 19377390240.

The previous prime is 21010129997. The next prime is 21010130039. The reversal of 21010130011 is 11003101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21010130011 - 25 = 21010129979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21010130011.

It is not an unprimeable number, because it can be changed into a prime (21010130081) 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, 674856 + ... + 705301.

It is an arithmetic number, because the mean of its divisors is an integer number (2830704058).

Almost surely, 221010130011 is an apocalyptic number.

21010130011 is a deficient number, since it is larger than the sum of its proper divisors (1635502453).

21010130011 is a wasteful number, since it uses less digits than its factorization.

21010130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381341.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 21010130011 its reverse (11003101012), we get a palindrome (32013231023).

The spelling of 21010130011 in words is "twenty-one billion, ten million, one hundred thirty thousand, eleven".

Divisors: 1 13 1171 15223 1380157 17942041 1616163847 21010130011