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1428151136 = 251093311237
BaseRepresentation
bin101010100011111…
…1101101101100000
310200112022121001112
41111013331231200
510411101314021
6353414122452
750251040636
oct12507755540
93615277045
101428151136
116731770a5
1233a350428
13199b57059
14d795d356
15855a5d5b
hex551fdb60

1428151136 has 48 divisors (see below), whose sum is σ = 2848340880. Its totient is φ = 704816640.

The previous prime is 1428151111. The next prime is 1428151201. The reversal of 1428151136 is 6311518241.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1153910 + ... + 1155146.

It is an arithmetic number, because the mean of its divisors is an integer number (59340435).

Almost surely, 21428151136 is an apocalyptic number.

1428151136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1428151136 is a deficient number, since it is larger than the sum of its proper divisors (1420189744).

1428151136 is a wasteful number, since it uses less digits than its factorization.

1428151136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1679 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 1428151136 is about 37790.8869438123. The cubic root of 1428151136 is about 1126.1374204328.

Adding to 1428151136 its reverse (6311518241), we get a palindrome (7739669377).

The spelling of 1428151136 in words is "one billion, four hundred twenty-eight million, one hundred fifty-one thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 109 218 331 436 662 872 1237 1324 1744 2474 2648 3488 4948 5296 9896 10592 19792 36079 39584 72158 134833 144316 269666 288632 409447 539332 577264 818894 1078664 1154528 1637788 2157328 3275576 4314656 6551152 13102304 44629723 89259446 178518892 357037784 714075568 1428151136