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1242344103 = 3711132317987
BaseRepresentation
bin100101000001100…
…1010101010100111
310012120200121201120
41022003022222213
510021020002403
6323135425023
742533515320
oct11203125247
93176617646
101242344103
115882a8570
122a8085173
1316a4cbc70
14badd3447
1574101e53
hex4a0caaa7

1242344103 has 64 divisors (see below), whose sum is σ = 2320883712. Its totient is φ = 569796480.

The previous prime is 1242344101. The next prime is 1242344111. The reversal of 1242344103 is 3014432421.

It is not a de Polignac number, because 1242344103 - 21 = 1242344101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242344101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60076 + ... + 78062.

It is an arithmetic number, because the mean of its divisors is an integer number (36263808).

Almost surely, 21242344103 is an apocalyptic number.

1242344103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1242344103 is a deficient number, since it is larger than the sum of its proper divisors (1078539609).

1242344103 is a wasteful number, since it uses less digits than its factorization.

1242344103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18044.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1242344103 is about 35246.9020340795. The cubic root of 1242344103 is about 1075.0136224702.

Adding to 1242344103 its reverse (3014432421), we get a palindrome (4256776524).

The spelling of 1242344103 in words is "one billion, two hundred forty-two million, three hundred forty-four thousand, one hundred three".

Divisors: 1 3 7 11 13 21 23 33 39 69 77 91 143 161 231 253 273 299 429 483 759 897 1001 1771 2093 3003 3289 5313 6279 9867 17987 23023 53961 69069 125909 197857 233831 377727 413701 593571 701493 1241103 1384999 1636817 2572141 2895907 4154997 4550711 4910451 5378113 7716423 8687721 13652133 16134339 18004987 31854977 37646791 54014961 59159243 95564931 112940373 177477729 414114701 1242344103