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21032310101 = 117326192167
BaseRepresentation
bin10011100101100111…
…111001010101010101
32000021210000001111012
4103211213321111111
5321033232410401
613355003222005
71343125454225
oct234547712525
960253001435
1021032310101
118a13210970
1240ab817905
131ca251840a
141037444085
158316d08bb
hex4e59f9555

21032310101 has 8 divisors (see below), whose sum is σ = 23258645184. Its totient is φ = 18858359520.

The previous prime is 21032310097. The next prime is 21032310119. The reversal of 21032310101 is 10101323012.

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

It is not a de Polignac number, because 21032310101 - 22 = 21032310097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032310301) 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, 13095281 + ... + 13096886.

It is an arithmetic number, because the mean of its divisors is an integer number (2907330648).

Almost surely, 221032310101 is an apocalyptic number.

It is an amenable number.

21032310101 is a deficient number, since it is larger than the sum of its proper divisors (2226335083).

21032310101 is a wasteful number, since it uses less digits than its factorization.

21032310101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26192251.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21032310101 its reverse (10101323012), we get a palindrome (31133633113).

It can be divided in two parts, 21032 and 310101, that added together give a palindrome (331133).

The spelling of 21032310101 in words is "twenty-one billion, thirty-two million, three hundred ten thousand, one hundred one".

Divisors: 1 11 73 803 26192167 288113837 1912028191 21032310101