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21301303011 = 347151073071
BaseRepresentation
bin10011110101101010…
…000001011011100011
32000222112011022101120
4103311222001123203
5322111113144021
613441412503323
71352603042142
oct236552013343
960875138346
1021301303011
11904103725a
12416591ab43
13201617aa11
141061065759
1584a1172c6
hex4f5a816e3

21301303011 has 8 divisors (see below), whose sum is σ = 29006029824. Its totient is φ = 13898722440.

The previous prime is 21301303003. The next prime is 21301303019. The reversal of 21301303011 is 11030310312.

It is an interprime number because it is at equal distance from previous prime (21301303003) and next prime (21301303019).

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

It is not a de Polignac number, because 21301303011 - 23 = 21301303003 is a prime.

It is a super-2 number, since 2×213013030112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21301303019) 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, 75536395 + ... + 75536676.

It is an arithmetic number, because the mean of its divisors is an integer number (3625753728).

Almost surely, 221301303011 is an apocalyptic number.

21301303011 is a deficient number, since it is larger than the sum of its proper divisors (7704726813).

21301303011 is a wasteful number, since it uses less digits than its factorization.

21301303011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151073121.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21301303011 its reverse (11030310312), we get a palindrome (32331613323).

The spelling of 21301303011 in words is "twenty-one billion, three hundred one million, three hundred three thousand, eleven".

Divisors: 1 3 47 141 151073071 453219213 7100434337 21301303011