Search a number
-
+
7828970112 = 273727967
BaseRepresentation
bin1110100101010010…
…01001101010000000
3202012121120220000000
413102221021222000
5112013204020422
63332510000000
7365003101515
oct72251115200
922177526000
107828970112
113358282137
121625aa6000
13979c900c2
14543aa730c
1530c4b4cac
hex1d2a49a80

7828970112 has 128 divisors (see below), whose sum is σ = 23392435200. Its totient is φ = 2609563392.

The previous prime is 7828970059. The next prime is 7828970117. The reversal of 7828970112 is 2110798287.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×78289701122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7828970117) by changing a digit.

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, 265953 + ... + 293919.

It is an arithmetic number, because the mean of its divisors is an integer number (182753400).

Almost surely, 27828970112 is an apocalyptic number.

7828970112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7828970112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11696217600).

7828970112 is an abundant number, since it is smaller than the sum of its proper divisors (15563465088).

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

7828970112 is an frugal number, since it uses more digits than its factorization.

7828970112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28002 (or 27972 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 7828970112 is about 88481.4676189314. The cubic root of 7828970112 is about 1985.6447188052.

The spelling of 7828970112 in words is "seven billion, eight hundred twenty-eight million, nine hundred seventy thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 288 324 384 432 486 576 648 729 864 972 1152 1296 1458 1728 1944 2187 2592 2916 3456 3888 4374 5184 5832 7776 8748 10368 11664 15552 17496 23328 27967 31104 34992 46656 55934 69984 83901 93312 111868 139968 167802 223736 251703 279936 335604 447472 503406 671208 755109 894944 1006812 1342416 1510218 1789888 2013624 2265327 2684832 3020436 3579776 4027248 4530654 5369664 6040872 6795981 8054496 9061308 10739328 12081744 13591962 16108992 18122616 20387943 24163488 27183924 32217984 36245232 40775886 48326976 54367848 61163829 72490464 81551772 96653952 108735696 122327658 144980928 163103544 217471392 244655316 289961856 326207088 434942784 489310632 652414176 869885568 978621264 1304828352 1957242528 2609656704 3914485056 7828970112