Search a number
-
+
1258369511149 = 191131277458971
BaseRepresentation
bin10010010011111100101…
…010101110111011101101
311110022001221020111111201
4102103330222232323231
5131104120043324044
62402030441445501
7156625366234642
oct22237452567355
94408057214451
101258369511149
11445742868803
12183a694a0891
13918822c579a
1444c9662bdc9
1522aee21a7d4
hex124fcaaeeed

1258369511149 has 16 divisors (see below), whose sum is σ = 1337370972480. Its totient is φ = 1180661771520.

The previous prime is 1258369511117. The next prime is 1258369511183. The reversal of 1258369511149 is 9411159638521.

It is a cyclic number.

It is not a de Polignac number, because 1258369511149 - 25 = 1258369511117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1258369511149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258369511549) 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, 2512234 + ... + 2971204.

It is an arithmetic number, because the mean of its divisors is an integer number (83585685780).

Almost surely, 21258369511149 is an apocalyptic number.

1258369511149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1258369511149 is a deficient number, since it is larger than the sum of its proper divisors (79001461331).

1258369511149 is a wasteful number, since it uses less digits than its factorization.

1258369511149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460380.

The product of its digits is 2332800, while the sum is 55.

The spelling of 1258369511149 in words is "one trillion, two hundred fifty-eight billion, three hundred sixty-nine million, five hundred eleven thousand, one hundred forty-nine".

Divisors: 1 19 113 1277 2147 24263 144301 458971 2741719 8720449 51863723 586105967 985410737 11136013373 66229974271 1258369511149