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103132020221 = 1972232347591
BaseRepresentation
bin110000000001100100…
…1011011110111111101
3100212012110002110021122
41200003021123313331
53142203244121341
6115213405040325
710310464464536
oct1400311336775
9325173073248
10103132020221
113a81337826a
1217ba28560a5
139957669149
144dc4dd168d
152a391aa94b
hex180325bdfd

103132020221 has 8 divisors (see below), whose sum is σ = 104120400384. Its totient is φ = 102148336080.

The previous prime is 103132020163. The next prime is 103132020223. The reversal of 103132020221 is 122020231301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103132020221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103132020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103132020223) 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, 1129865 + ... + 1217726.

It is an arithmetic number, because the mean of its divisors is an integer number (13015050048).

Almost surely, 2103132020221 is an apocalyptic number.

It is an amenable number.

103132020221 is a deficient number, since it is larger than the sum of its proper divisors (988380163).

103132020221 is a wasteful number, since it uses less digits than its factorization.

103132020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348011.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103132020221 its reverse (122020231301), we get a palindrome (225152251522).

The spelling of 103132020221 in words is "one hundred three billion, one hundred thirty-two million, twenty thousand, two hundred twenty-one".

Divisors: 1 197 223 43931 2347591 462475427 523512793 103132020221