Search a number
-
+
1019730864080 = 2451129012
BaseRepresentation
bin11101101011011001011…
…00100010011111010000
310121111002210112011122202
432311230230202133100
5113201402100122310
62100242523222332
7133446611221055
oct16655454423720
93544083464582
101019730864080
11363513541135
121457699779a8
1375210c90a46
14374d8ab102c
151b7d3a6d3a5
hexed6cb227d0

1019730864080 has 30 divisors (see below), whose sum is σ = 2370895258758. Its totient is φ = 407888732800.

The previous prime is 1019730864077. The next prime is 1019730864083. The reversal of 1019730864080 is 804680379101.

It is an interprime number because it is at equal distance from previous prime (1019730864077) and next prime (1019730864083).

It can be written as a sum of positive squares in 3 ways, for example, as 676855034944 + 342875829136 = 822712^2 + 585556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019730864083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8975630 + ... + 9088530.

Almost surely, 21019730864080 is an apocalyptic number.

1019730864080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1019730864080 is an abundant number, since it is smaller than the sum of its proper divisors (1351164394678).

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

1019730864080 is an frugal number, since it uses more digits than its factorization.

1019730864080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225815 (or 112908 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 1019730864080 in words is "one trillion, nineteen billion, seven hundred thirty million, eight hundred sixty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 112901 225802 451604 564505 903208 1129010 1806416 2258020 4516040 9032080 12746635801 25493271602 50986543204 63733179005 101973086408 127466358010 203946172816 254932716020 509865432040 1019730864080