Search a number
-
+
12277489038 = 232338782181
BaseRepresentation
bin10110110111100101…
…11001110110001110
31011200122021001202020
423123302321312032
5200121014122123
65350141111010
7613150635453
oct133362716616
934618231666
1012277489038
115230360261
122467858466
1312087b0319
1484681182a
154bccd47e3
hex2dbcb9d8e

12277489038 has 16 divisors (see below), whose sum is σ = 24660367056. Its totient is φ = 4074931520.

The previous prime is 12277488983. The next prime is 12277489087. The reversal of 12277489038 is 83098477221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389693 + ... + 4392488.

It is an arithmetic number, because the mean of its divisors is an integer number (1541272941).

Almost surely, 212277489038 is an apocalyptic number.

12277489038 is an abundant number, since it is smaller than the sum of its proper divisors (12382878018).

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

12277489038 is a wasteful number, since it uses less digits than its factorization.

12277489038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782419.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 12277489038 in words is "twelve billion, two hundred seventy-seven million, four hundred eighty-nine thousand, thirty-eight".

Divisors: 1 2 3 6 233 466 699 1398 8782181 17564362 26346543 52693086 2046248173 4092496346 6138744519 12277489038