Search a number
-
+
124918419844 = 221927121312
BaseRepresentation
bin111010001010110110…
…1111101000110000100
3102221102210001020010101
41310111231331012010
54021313103413334
6133215311133444
712011411022601
oct1642555750604
9387383036111
10124918419844
1148a83211809
1220262b14284
13ba1a18157a
14609064d6a8
1533b1b95214
hex1d15b7d184

124918419844 has 81 divisors (see below), whose sum is σ = 235813763703. Its totient is φ = 57893144400.

The previous prime is 124918419811. The next prime is 124918419911. The reversal of 124918419844 is 448914819421.

The square root of 124918419844 is 353438.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1249184198442 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 953575659 + ... + 953575789.

Almost surely, 2124918419844 is an apocalyptic number.

124918419844 is the 353438-th square number.

It is an amenable number.

124918419844 is a deficient number, since it is larger than the sum of its proper divisors (110895343859).

124918419844 is an equidigital number, since it uses as much as digits as its factorization.

124918419844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 223 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The spelling of 124918419844 in words is "one hundred twenty-four billion, nine hundred eighteen million, four hundred nineteen thousand, eight hundred forty-four".

Divisors: 1 2 4 19 38 71 76 131 142 262 284 361 524 722 1349 1444 2489 2698 4978 5041 5396 9301 9956 10082 17161 18602 20164 25631 34322 37204 47291 51262 68644 94582 95779 102524 176719 189164 191558 326059 353438 383116 652118 660371 706876 1218431 1304236 1320742 1819801 2436862 2641484 3357661 3639602 4873724 6195121 6715322 7279204 12390242 12547049 13430644 23150189 24780484 25094098 46300378 50188196 86508601 92600756 173017202 238393931 346034404 439853591 476787862 879707182 953575724 1643663419 1759414364 3287326838 6574653676 31229604961 62459209922 124918419844