Search a number
-
+
2799467871440 = 245972691341101
BaseRepresentation
bin101000101111001101010…
…010011011110011010000
3100220121220201200122210112
4220233031102123303100
5331331302233341230
65542020252020452
7406153265200622
oct50571522336320
910817821618715
102799467871440
1198a27a6a4509
12392680161728
13173cb11b9b76
14996d0298c12
154cc4970bd95
hex28bcd49bcd0

2799467871440 has 80 divisors (see below), whose sum is σ = 6600313959120. Its totient is φ = 1104122265600.

The previous prime is 2799467871427. The next prime is 2799467871481. The reversal of 2799467871440 is 441787649972.

2799467871440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1022056297024 + 1777411574416 = 1010968^2 + 1333196^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416890 + ... + 2757990.

It is an arithmetic number, because the mean of its divisors is an integer number (82503924489).

Almost surely, 22799467871440 is an apocalyptic number.

2799467871440 is a gapful number since it is divisible by the number (20) 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 2799467871440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3300156979560).

2799467871440 is an abundant number, since it is smaller than the sum of its proper divisors (3800846087680).

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

2799467871440 is a wasteful number, since it uses less digits than its factorization.

2799467871440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341480 (or 1341474 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 68.

The spelling of 2799467871440 in words is "two trillion, seven hundred ninety-nine billion, four hundred sixty-seven million, eight hundred seventy-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 97 194 269 388 485 538 776 970 1076 1345 1552 1940 2152 2690 3880 4304 5380 7760 10760 21520 26093 52186 104372 130465 208744 260930 417488 521860 1043720 1341101 2087440 2682202 5364404 6705505 10728808 13411010 21457616 26822020 53644040 107288080 130086797 260173594 360756169 520347188 650433985 721512338 1040694376 1300867970 1443024676 1803780845 2081388752 2601735940 2886049352 3607561690 5203471880 5772098704 7215123380 10406943760 14430246760 28860493520 34993348393 69986696786 139973393572 174966741965 279946787144 349933483930 559893574288 699866967860 1399733935720 2799467871440