Search a number
-
+
10780445952 = 283310691459
BaseRepresentation
bin10100000101001000…
…01000110100000000
31000211022022101201000
422002210020310000
5134034243232302
64541422212000
7531102164403
oct120244106400
930738271630
1010780445952
11463230a671
12210a424000
13102a5b4c03
14743a7bd3a
1543167131c
hex282908d00

10780445952 has 144 divisors (see below), whose sum is σ = 31931368000. Its totient is φ = 3587659776.

The previous prime is 10780445947. The next prime is 10780445959. The reversal of 10780445952 is 25954408701.

10780445952 is a `hidden beast` number, since 10 + 7 + 8 + 0 + 44 + 595 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 10780445898 and 10780445907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10780445959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7388199 + ... + 7389657.

Almost surely, 210780445952 is an apocalyptic number.

10780445952 is a gapful number since it is divisible by the number (12) 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 10780445952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15965684000).

10780445952 is an abundant number, since it is smaller than the sum of its proper divisors (21150922048).

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

10780445952 is a wasteful number, since it uses less digits than its factorization.

10780445952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 10780445952 in words is "ten billion, seven hundred eighty million, four hundred forty-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1069 1152 1459 1728 2138 2304 2918 3207 3456 4276 4377 5836 6414 6912 8552 8754 9621 11672 12828 13131 17104 17508 19242 23344 25656 26262 28863 34208 35016 38484 39393 46688 51312 52524 57726 68416 70032 76968 78786 93376 102624 105048 115452 136832 140064 153936 157572 186752 205248 210096 230904 273664 280128 307872 315144 373504 410496 420192 461808 560256 615744 630288 820992 840384 923616 1120512 1231488 1260576 1559671 1680768 1847232 2462976 2521152 3119342 3361536 3694464 4679013 5042304 6238684 7388928 9358026 10084608 12477368 14037039 18716052 24954736 28074078 37432104 42111117 49909472 56148156 74864208 84222234 99818944 112296312 149728416 168444468 199637888 224592624 299456832 336888936 399275776 449185248 598913664 673777872 898370496 1197827328 1347555744 1796740992 2695111488 3593481984 5390222976 10780445952