Search a number
-
+
27248480928 = 2532677139753
BaseRepresentation
bin11001011000001000…
…101101001010100000
32121022222211020210100
4121120020231022200
5421301102342203
620303501302400
71653146160234
oct313010551240
977288736710
1027248480928
111061306a029
125345564a00
1327533109c6
141466c445c4
15a972b8ea3
hex65822d2a0

27248480928 has 72 divisors (see below), whose sum is σ = 77602880628. Its totient is φ = 9069345792.

The previous prime is 27248480879. The next prime is 27248480951. The reversal of 27248480928 is 82908484272.

27248480928 is a `hidden beast` number, since 2 + 72 + 4 + 8 + 480 + 92 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17325930384 + 9922550544 = 131628^2 + 99612^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 125100 + ... + 264852.

Almost surely, 227248480928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27248480928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38801440314).

27248480928 is an abundant number, since it is smaller than the sum of its proper divisors (50354399700).

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

27248480928 is a wasteful number, since it uses less digits than its factorization.

27248480928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140446 (or 140435 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 27248480928 in words is "twenty-seven billion, two hundred forty-eight million, four hundred eighty thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 677 1354 2031 2708 4062 5416 6093 8124 10832 12186 16248 21664 24372 32496 48744 64992 97488 139753 194976 279506 419259 559012 838518 1118024 1257777 1677036 2236048 2515554 3354072 4472096 5031108 6708144 10062216 13416288 20124432 40248864 94612781 189225562 283838343 378451124 567676686 756902248 851515029 1135353372 1513804496 1703030058 2270706744 3027608992 3406060116 4541413488 6812120232 9082826976 13624240464 27248480928