Search a number
-
+
12423114550 = 2527211460969
BaseRepresentation
bin10111001000111100…
…11010111100110110
31012001210021121101201
423210132122330312
5200420304131200
65412422243114
7616566505600
oct134436327466
935053247351
1012423114550
1152a5584920
1224a858649a
13122ca0a072
1485bcbc170
154ca99cc6a
hex2e479af36

12423114550 has 72 divisors (see below), whose sum is σ = 29323223640. Its totient is φ = 3872131200.

The previous prime is 12423114547. The next prime is 12423114593. The reversal of 12423114550 is 5541132421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 203535 + ... + 257434.

It is an arithmetic number, because the mean of its divisors is an integer number (407266995).

Almost surely, 212423114550 is an apocalyptic number.

12423114550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12423114550 is an abundant number, since it is smaller than the sum of its proper divisors (16900109090).

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

12423114550 is a wasteful number, since it uses less digits than its factorization.

12423114550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461006 (or 460994 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12423114550 its reverse (5541132421), we get a palindrome (17964246971).

The spelling of 12423114550 in words is "twelve billion, four hundred twenty-three million, one hundred fourteen thousand, five hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 25 35 49 50 55 70 77 98 110 154 175 245 275 350 385 490 539 550 770 1078 1225 1925 2450 2695 3850 5390 13475 26950 460969 921938 2304845 3226783 4609690 5070659 6453566 10141318 11524225 16133915 22587481 23048450 25353295 32267830 35494613 45174962 50706590 70989226 80669575 112937405 126766475 161339150 177473065 225874810 248462291 253532950 354946130 496924582 564687025 887365325 1129374050 1242311455 1774730650 2484622910 6211557275 12423114550