Search a number
-
+
1457431458730 = 251328069399409
BaseRepresentation
bin10101001101010101101…
…011110011001110101010
312011022212220102011222221
4111031111223303032222
5142334304423134410
63033311302104254
7210203336666152
oct25152553631652
95138786364887
101457431458730
11512103077275
121b6562a1b08a
13a7587187050
145077bcc9762
1527da01484da
hex15355af33aa

1457431458730 has 32 divisors (see below), whose sum is σ = 2825282552400. Its totient is φ = 538108019712.

The previous prime is 1457431458649. The next prime is 1457431458751. The reversal of 1457431458730 is 378541347541.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2611925449 + 1454819533281 = 51107^2 + 1206159^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3449266 + ... + 3848674.

Almost surely, 21457431458730 is an apocalyptic number.

1457431458730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1457431458730 is a deficient number, since it is larger than the sum of its proper divisors (1367851093670).

1457431458730 is a wasteful number, since it uses less digits than its factorization.

1457431458730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427498.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 1457431458730 in words is "one trillion, four hundred fifty-seven billion, four hundred thirty-one million, four hundred fifty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 28069 56138 140345 280690 364897 399409 729794 798818 1824485 1997045 3648970 3994090 5192317 10384634 25961585 51923170 11211011221 22422022442 56055056105 112110112210 145743145873 291486291746 728715729365 1457431458730