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1203130434 = 2311103176983
BaseRepresentation
bin100011110110110…
…0101000001000010
310002211220100200110
41013231211001002
54431000133214
6315215132150
741546303622
oct10755450102
93084810613
101203130434
11568154780
12296b14056
1316234c2cc
14b5b06882
1570958159
hex47b65042

1203130434 has 32 divisors (see below), whose sum is σ = 2650512384. Its totient is φ = 361043280.

The previous prime is 1203130399. The next prime is 1203130463. The reversal of 1203130434 is 4340313021.

It is a self number, because there is not a number n which added to its sum of digits gives 1203130434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81694 + ... + 95289.

It is an arithmetic number, because the mean of its divisors is an integer number (82828512).

Almost surely, 21203130434 is an apocalyptic number.

1203130434 is an abundant number, since it is smaller than the sum of its proper divisors (1447381950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203130434 is a wasteful number, since it uses less digits than its factorization.

1203130434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177102.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1203130434 is about 34686.1706447973. The cubic root of 1203130434 is about 1063.5818175217.

Adding to 1203130434 its reverse (4340313021), we get a palindrome (5543443455).

The spelling of 1203130434 in words is "one billion, two hundred three million, one hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 103 206 309 618 1133 2266 3399 6798 176983 353966 530949 1061898 1946813 3893626 5840439 11680878 18229249 36458498 54687747 109375494 200521739 401043478 601565217 1203130434