Search a number
-
+
1378823725284 = 2235092017111919
BaseRepresentation
bin10100000100001000010…
…011000110000011100100
311212210222121002120122220
4110010020103012003210
5140042312333202114
62533231201352340
7201421352200545
oct24041023060344
94783877076586
101378823725284
11491835057705
121a32853386b0
13a003a6239c5
144aa4200c4cc
1525cedee30a9
hex141084c60e4

1378823725284 has 48 divisors (see below), whose sum is σ = 3225203116800. Its totient is φ = 458473430016.

The previous prime is 1378823725273. The next prime is 1378823725309. The reversal of 1378823725284 is 4825273288731.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12263877 + ... + 12375795.

It is an arithmetic number, because the mean of its divisors is an integer number (67191731600).

Almost surely, 21378823725284 is an apocalyptic number.

It is an amenable number.

1378823725284 is an abundant number, since it is smaller than the sum of its proper divisors (1846379391516).

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

1378823725284 is a wasteful number, since it uses less digits than its factorization.

1378823725284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114452 (or 114450 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The spelling of 1378823725284 in words is "one trillion, three hundred seventy-eight billion, eight hundred twenty-three million, seven hundred twenty-five thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 509 1018 1527 2017 2036 3054 4034 6051 6108 8068 12102 24204 111919 223838 335757 447676 671514 1026653 1343028 2053306 3079959 4106612 6159918 12319836 56966771 113933542 170900313 225740623 227867084 341800626 451481246 677221869 683601252 902962492 1354443738 2708887476 114901977107 229803954214 344705931321 459607908428 689411862642 1378823725284