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101221303 = 1912894133
BaseRepresentation
bin1100000100010…
…00001110110111
321001110120112011
412002020032313
5201403040203
614013305051
72336236561
oct602101667
9231416464
10101221303
1152156077
1229a95187
1317c80681
14d62c331
158d4676d
hex60883b7

101221303 has 8 divisors (see below), whose sum is σ = 106657200. Its totient is φ = 95796288.

The previous prime is 101221297. The next prime is 101221313. The reversal of 101221303 is 303122101.

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

It is a cyclic number.

It is not a de Polignac number, because 101221303 - 213 = 101213111 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 (101221313) 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, 22425 + ... + 26557.

It is an arithmetic number, because the mean of its divisors is an integer number (13332150).

Almost surely, 2101221303 is an apocalyptic number.

101221303 is a deficient number, since it is larger than the sum of its proper divisors (5435897).

101221303 is a wasteful number, since it uses less digits than its factorization.

101221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101221303 is about 10060.8798323010. The cubic root of 101221303 is about 466.0408380280.

Adding to 101221303 its reverse (303122101), we get a palindrome (404343404).

The spelling of 101221303 in words is "one hundred one million, two hundred twenty-one thousand, three hundred three".

Divisors: 1 19 1289 4133 24491 78527 5327437 101221303