Search a number
-
+
11810982045 = 3511315744383
BaseRepresentation
bin10101111111111110…
…10100100010011101
31010111010110001110110
422333333110202131
5143142102411140
65231554200233
7565454455662
oct127777244235
933433401413
1011810982045
115010a9a695
122357583079
131162c54095
14800897a69
15491d85380
hex2bffd489d

11810982045 has 32 divisors (see below), whose sum is σ = 19186670592. Its totient is φ = 6203538432.

The previous prime is 11810982023. The next prime is 11810982059. The reversal of 11810982045 is 54028901811.

It is not a de Polignac number, because 11810982045 - 25 = 11810982013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11810981994 and 11810982012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243924 + ... + 288306.

It is an arithmetic number, because the mean of its divisors is an integer number (599583456).

Almost surely, 211810982045 is an apocalyptic number.

11810982045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11810982045 is a deficient number, since it is larger than the sum of its proper divisors (7375688547).

11810982045 is a wasteful number, since it uses less digits than its factorization.

11810982045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44661.

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 11810982045 in words is "eleven billion, eight hundred ten million, nine hundred eighty-two thousand, forty-five".

Divisors: 1 3 5 15 113 157 339 471 565 785 1695 2355 17741 44383 53223 88705 133149 221915 266115 665745 5015279 6968131 15045837 20904393 25076395 34840655 75229185 104521965 787398803 2362196409 3936994015 11810982045