Search a number
-
+
12588550340 = 2255910668263
BaseRepresentation
bin10111011100101011…
…00000100011000100
31012111022120121122012
423232111200203010
5201240132102330
65441052153352
7623645624642
oct135625404304
935438517565
1012588550340
11537a9aa213
122533a68858
131258081a72
14875c64192
154da27ac95
hex2ee5608c4

12588550340 has 24 divisors (see below), whose sum is σ = 26884025280. Its totient is φ = 4950073568.

The previous prime is 12588550319. The next prime is 12588550343. The reversal of 12588550340 is 4305588521.

It is not an unprimeable number, because it can be changed into a prime (12588550343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5332952 + ... + 5335311.

It is an arithmetic number, because the mean of its divisors is an integer number (1120167720).

Almost surely, 212588550340 is an apocalyptic number.

12588550340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12588550340 is an abundant number, since it is smaller than the sum of its proper divisors (14295474940).

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

12588550340 is a wasteful number, since it uses less digits than its factorization.

12588550340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668331 (or 10668329 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 12588550340 in words is "twelve billion, five hundred eighty-eight million, five hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 10668263 21336526 42673052 53341315 106682630 213365260 629427517 1258855034 2517710068 3147137585 6294275170 12588550340