Search a number
-
+
124730211500 = 225313710911669
BaseRepresentation
bin111010000101001111…
…1111111110010101100
3102220221122220020210222
41310022133333302230
54020421413232000
6133144505150512
712003634206326
oct1641237776254
9386848806728
10124730211500
1148996a53024
122020ba8b438
13b9ba19549b
14607365a616
1533a03b9a85
hex1d0a7ffcac

124730211500 has 96 divisors (see below), whose sum is σ = 274815253440. Its totient is φ = 49452864000.

The previous prime is 124730211491. The next prime is 124730211517. The reversal of 124730211500 is 5112037421.

It is a self number, because there is not a number n which added to its sum of digits gives 124730211500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74732666 + ... + 74734334.

It is an arithmetic number, because the mean of its divisors is an integer number (2862658890).

Almost surely, 2124730211500 is an apocalyptic number.

124730211500 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 124730211500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137407626720).

124730211500 is an abundant number, since it is smaller than the sum of its proper divisors (150085041940).

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

124730211500 is a wasteful number, since it uses less digits than its factorization.

124730211500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 124730211500 its reverse (5112037421), we get a palindrome (129842248921).

The spelling of 124730211500 in words is "one hundred twenty-four billion, seven hundred thirty million, two hundred eleven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 137 250 274 500 548 685 1091 1370 1669 2182 2740 3338 3425 4364 5455 6676 6850 8345 10910 13700 16690 17125 21820 27275 33380 34250 41725 54550 68500 83450 109100 136375 149467 166900 208625 228653 272750 298934 417250 457306 545500 597868 747335 834500 914612 1143265 1494670 1820879 2286530 2989340 3641758 3736675 4573060 5716325 7283516 7473350 9104395 11432650 14946700 18208790 18683375 22865300 28581625 36417580 37366750 45521975 57163250 74733500 91043950 114326500 182087900 227609875 249460423 455219750 498920846 910439500 997841692 1247302115 2494604230 4989208460 6236510575 12473021150 24946042300 31182552875 62365105750 124730211500