Search a number
-
+
623919892996 = 223949432
BaseRepresentation
bin10010001010001001000…
…01100000101000000100
32012122110001100112001001
421011010201200220010
540210241443033441
61154342544343044
763035213405251
oct11050441405004
92178401315031
10623919892996
1122066a572204
12a0b05614a84
1346ab248984a
14222aadca428
1511369cd8731
hex9144860a04

623919892996 has 9 divisors (see below), whose sum is σ = 1091862577351. Its totient is φ = 311959156612.

The previous prime is 623919892993. The next prime is 623919893041. The reversal of 623919892996 is 699298919326.

The square root of 623919892996 is 789886.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×6239198929963 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623919892993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1382301 + ... + 1777243.

Almost surely, 2623919892996 is an apocalyptic number.

623919892996 is the 789886-th square number.

It is an amenable number.

623919892996 is a deficient number, since it is larger than the sum of its proper divisors (467942684355).

623919892996 is an frugal number, since it uses more digits than its factorization.

623919892996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789890 (or 394945 counting only the distinct ones).

The product of its digits is 204073344, while the sum is 73.

The spelling of 623919892996 in words is "six hundred twenty-three billion, nine hundred nineteen million, eight hundred ninety-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 394943 789886 1579772 155979973249 311959946498 623919892996