Search a number
-
+
1224645828770 = 257131345764647
BaseRepresentation
bin10001110100100010100…
…101000110000010100010
311100002000200011221012102
4101310202211012002202
5130031033313010040
62334332230130402
7154322602535150
oct21644245060242
94302020157172
101224645828770
1143240770a021
121794174b0a02
138b639637540
14433b783a3d0
1521cc874d515
hex11d229460a2

1224645828770 has 32 divisors (see below), whose sum is σ = 2713061530368. Its totient is φ = 387580218048.

The previous prime is 1224645828739. The next prime is 1224645828787. The reversal of 1224645828770 is 778285464221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672881414 + ... + 672883233.

It is an arithmetic number, because the mean of its divisors is an integer number (84783172824).

Almost surely, 21224645828770 is an apocalyptic number.

1224645828770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224645828770 is an abundant number, since it is smaller than the sum of its proper divisors (1488415701598).

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

1224645828770 is a wasteful number, since it uses less digits than its factorization.

1224645828770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345764674.

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 1224645828770 in words is "one trillion, two hundred twenty-four billion, six hundred forty-five million, eight hundred twenty-eight thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1345764647 2691529294 6728823235 9420352529 13457646470 17494940411 18840705058 34989880822 47101762645 87474702055 94203525290 122464582877 174949404110 244929165754 612322914385 1224645828770