Search a number
-
+
125245130000 = 245447266479
BaseRepresentation
bin111010010100100110…
…0010000010100010000
3102222021112210211012112
41310221030100110100
54023000223130000
6133311541444452
712022456016414
oct1645114202420
9388245724175
10125245130000
1149130679a01
1220334410728
13ba6ca71aa3
1460c1bb6d44
1533d06cd235
hex1d29310510

125245130000 has 100 divisors (see below), whose sum is σ = 309683869440. Its totient is φ = 49031952000.

The previous prime is 125245129991. The next prime is 125245130027. The reversal of 125245130000 is 31542521.

It is a tau number, because it is divible by the number of its divisors (100).

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 19 ways as a sum of consecutive naturals, for example, 336761 + ... + 603239.

Almost surely, 2125245130000 is an apocalyptic number.

125245130000 is a gapful number since it is divisible by the number (10) 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 125245130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154841934720).

125245130000 is an abundant number, since it is smaller than the sum of its proper divisors (184438739440).

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

125245130000 is an equidigital number, since it uses as much as digits as its factorization.

125245130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266554 (or 266533 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 125245130000 its reverse (31542521), we get a palindrome (125276672521).

The spelling of 125245130000 in words is "one hundred twenty-five billion, two hundred forty-five million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 47 50 80 94 100 125 188 200 235 250 376 400 470 500 625 752 940 1000 1175 1250 1880 2000 2350 2500 3760 4700 5000 5875 9400 10000 11750 18800 23500 29375 47000 58750 94000 117500 235000 266479 470000 532958 1065916 1332395 2131832 2664790 4263664 5329580 6661975 10659160 12524513 13323950 21318320 25049026 26647900 33309875 50098052 53295800 62622565 66619750 100196104 106591600 125245130 133239500 166549375 200392208 250490260 266479000 313112825 333098750 500980520 532958000 626225650 666197500 1001961040 1252451300 1332395000 1565564125 2504902600 2664790000 3131128250 5009805200 6262256500 7827820625 12524513000 15655641250 25049026000 31311282500 62622565000 125245130000