Search a number
-
+
103412434221 = 3264317869783
BaseRepresentation
bin110000001001111011…
…1001000010100101101
3100212220222201221222100
41200103313020110231
53143242040343341
6115301303205313
710320441121215
oct1402367102455
9325828657870
10103412434221
113a947694478
1218060746839
1399a079a0a5
145010347245
152a53aeb3b6
hex1813dc852d

103412434221 has 12 divisors (see below), whose sum is σ = 149605831648. Its totient is φ = 68834400264.

The previous prime is 103412434219. The next prime is 103412434231. The reversal of 103412434221 is 122434214301.

103412434221 is a `hidden beast` number, since 1 + 0 + 3 + 4 + 1 + 2 + 434 + 221 = 666.

It is not a de Polignac number, because 103412434221 - 21 = 103412434219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103412434231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8929105 + ... + 8940678.

Almost surely, 2103412434221 is an apocalyptic number.

It is an amenable number.

103412434221 is a deficient number, since it is larger than the sum of its proper divisors (46193397427).

103412434221 is a wasteful number, since it uses less digits than its factorization.

103412434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870432 (or 17870429 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 103412434221 its reverse (122434214301), we get a palindrome (225846648522).

The spelling of 103412434221 in words is "one hundred three billion, four hundred twelve million, four hundred thirty-four thousand, two hundred twenty-one".

Divisors: 1 3 9 643 1929 5787 17869783 53609349 160828047 11490270469 34470811407 103412434221