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1245051412 = 2211434391499
BaseRepresentation
bin100101000110101…
…1111101000010100
310012202210011110021
41022031133220110
510022213121122
6323313434524
742565522333
oct11215375024
93182704407
101245051412
11589887610
122a8b6ba44
1316ac39317
14bb4d9d1a
15744891c7
hex4a35fa14

1245051412 has 48 divisors (see below), whose sum is σ = 2439360000. Its totient is φ = 551144160.

The previous prime is 1245051391. The next prime is 1245051413. The reversal of 1245051412 is 2141505421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245051413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829839 + ... + 831337.

It is an arithmetic number, because the mean of its divisors is an integer number (50820000).

Almost surely, 21245051412 is an apocalyptic number.

It is an amenable number.

1245051412 is a deficient number, since it is larger than the sum of its proper divisors (1194308588).

1245051412 is a wasteful number, since it uses less digits than its factorization.

1245051412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1245051412 is about 35285.2860552384. The cubic root of 1245051412 is about 1075.7939437192.

Adding to 1245051412 its reverse (2141505421), we get a palindrome (3386556833).

The spelling of 1245051412 in words is "one billion, two hundred forty-five million, fifty-one thousand, four hundred twelve".

Divisors: 1 2 4 11 22 43 44 86 172 439 473 878 946 1499 1756 1892 2998 4829 5996 9658 16489 18877 19316 32978 37754 64457 65956 75508 128914 207647 257828 415294 658061 709027 830588 1316122 1418054 2632244 2836108 7238671 14477342 28296623 28954684 56593246 113186492 311262853 622525706 1245051412