Search a number
-
+
12514115544440 = 235439712648949
BaseRepresentation
bin1011011000011010101101…
…1010010110010101111000
31122022100010020011202210012
42312012223122112111320
53120012402034410230
642340523314241052
72431054310023556
oct266065332262570
948270106152705
1012514115544440
113a9522aa89804
1214a139bb86188
136ca0cb073403
14313987794bd6
1516a7c2dac395
hexb61ab696578

12514115544440 has 32 divisors (see below), whose sum is σ = 28220898420000. Its totient is φ = 4994243827584.

The previous prime is 12514115544431. The next prime is 12514115544461. The reversal of 12514115544440 is 4444551141521.

It is a super-2 number, since 2×125141155444402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356306915 + ... + 356342034.

It is an arithmetic number, because the mean of its divisors is an integer number (881903075625).

Almost surely, 212514115544440 is an apocalyptic number.

12514115544440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12514115544440 is an abundant number, since it is smaller than the sum of its proper divisors (15706782875560).

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

12514115544440 is a wasteful number, since it uses less digits than its factorization.

12514115544440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712649399 (or 712649395 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 41.

Adding to 12514115544440 its reverse (4444551141521), we get a palindrome (16958666685961).

The spelling of 12514115544440 in words is "twelve trillion, five hundred fourteen billion, one hundred fifteen million, five hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 439 878 1756 2195 3512 4390 8780 17560 712648949 1425297898 2850595796 3563244745 5701191592 7126489490 14252978980 28505957960 312852888611 625705777222 1251411554444 1564264443055 2502823108888 3128528886110 6257057772220 12514115544440