Search a number
-
+
255219732992 = 297292455547
BaseRepresentation
bin1110110110110001001…
…0000001001000000000
3220101202200221202200102
43231230102001020000
513140142222423432
6313125112341532
724303403636130
oct3555422011000
9811680852612
10255219732992
1199268981974
12415686a48a8
131b0b45c37b3
14c4d1b50ac0
15698b1c6962
hex3b6c481200

255219732992 has 80 divisors (see below), whose sum is σ = 602886144960. Its totient is φ = 105608122368.

The previous prime is 255219732923. The next prime is 255219733009. The reversal of 255219732992 is 299237912552.

It is a happy number.

It is a super-2 number, since 2×2552197329922 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

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 7 ways as a sum of consecutive naturals, for example, 1123838 + ... + 1331709.

It is an arithmetic number, because the mean of its divisors is an integer number (7536076812).

Almost surely, 2255219732992 is an apocalyptic number.

It is an amenable number.

255219732992 is an abundant number, since it is smaller than the sum of its proper divisors (347666411968).

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

255219732992 is an equidigital number, since it uses as much as digits as its factorization.

255219732992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455601 (or 2455585 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The spelling of 255219732992 in words is "two hundred fifty-five billion, two hundred nineteen million, seven hundred thirty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 64 112 116 128 203 224 232 256 406 448 464 512 812 896 928 1624 1792 1856 3248 3584 3712 6496 7424 12992 14848 25984 51968 103936 2455547 4911094 9822188 17188829 19644376 34377658 39288752 68755316 71210863 78577504 137510632 142421726 157155008 275021264 284843452 314310016 498476041 550042528 569686904 628620032 996952082 1100085056 1139373808 1257240064 1993904164 2200170112 2278747616 3987808328 4400340224 4557495232 7975616656 8800680448 9114990464 15951233312 18229980928 31902466624 36459961856 63804933248 127609866496 255219732992