Search a number
-
+
10780315380 = 22335191050713
BaseRepresentation
bin10100000101000111…
…01000111011110100
31000211022001202121000
422002203220323310
5134034230043010
64541415323300
7531101111622
oct120243507364
930738052530
1010780315380
11463223055a
12210a380530
13102a56a653
14743a46512
154316477c0
hex2828e8ef4

10780315380 has 96 divisors (see below), whose sum is σ = 35303990400. Its totient is φ = 2723445504.

The previous prime is 10780315327. The next prime is 10780315391. The reversal of 10780315380 is 8351308701.

10780315380 is a `hidden beast` number, since 10 + 7 + 80 + 31 + 538 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515097 + ... + 535616.

It is an arithmetic number, because the mean of its divisors is an integer number (367749900).

Almost surely, 210780315380 is an apocalyptic number.

10780315380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10780315380 is an abundant number, since it is smaller than the sum of its proper divisors (24523675020).

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

10780315380 is a wasteful number, since it uses less digits than its factorization.

10780315380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050750 (or 1050742 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 10780315380 in words is "ten billion, seven hundred eighty million, three hundred fifteen thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 76 90 95 108 114 135 171 180 190 228 270 285 342 380 513 540 570 684 855 1026 1140 1710 2052 2565 3420 5130 10260 1050713 2101426 3152139 4202852 5253565 6304278 9456417 10507130 12608556 15760695 18912834 19963547 21014260 28369251 31521390 37825668 39927094 47282085 56738502 59890641 63042780 79854188 94564170 99817735 113477004 119781282 141846255 179671923 189128340 199635470 239562564 283692510 299453205 359343846 399270940 539015769 567385020 598906410 718687692 898359615 1078031538 1197812820 1796719230 2156063076 2695078845 3593438460 5390157690 10780315380