Search a number
-
+
12252243621460 = 2252671229356863
BaseRepresentation
bin1011001001001011001010…
…1000001111011001010100
31121101022011220221201221211
42302102302220033121110
53101220043331341320
642020334130151204
72403124006301503
oct262226250173124
947338156851854
1012252243621460
1139a4169122067
12145a697722504
136ab4c654412b
1430502438483a
15163a97bc155a
hexb24b2a0f654

12252243621460 has 24 divisors (see below), whose sum is σ = 25739344705536. Its totient is φ = 4899062572320.

The previous prime is 12252243621437. The next prime is 12252243621473. The reversal of 12252243621460 is 6412634225221.

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, 114625012 + ... + 114731851.

It is an arithmetic number, because the mean of its divisors is an integer number (1072472696064).

Almost surely, 212252243621460 is an apocalyptic number.

12252243621460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252243621460 is an abundant number, since it is smaller than the sum of its proper divisors (13487101084076).

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

12252243621460 is a wasteful number, since it uses less digits than its factorization.

12252243621460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229359543 (or 229359541 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 12252243621460 its reverse (6412634225221), we get a palindrome (18664877846681).

The spelling of 12252243621460 in words is "twelve trillion, two hundred fifty-two billion, two hundred forty-three million, six hundred twenty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 2671 5342 10684 13355 26710 53420 229356863 458713726 917427452 1146784315 2293568630 4587137260 612612181073 1225224362146 2450448724292 3063060905365 6126121810730 12252243621460