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11797869924 = 22324324212
BaseRepresentation
bin10101111110011010…
…10011010101100100
31010110012202220000100
422333031103111210
5143130223314144
65230405144100
7565235145141
oct127715232544
933405686010
1011797869924
115004654325
1223530bb030
131160312b29
147dcc433c8
15490b45269
hex2bf353564

11797869924 has 81 divisors (see below), whose sum is σ = 30604761369. Its totient is φ = 3832043040.

The previous prime is 11797869911. The next prime is 11797869947. The reversal of 11797869924 is 42996879711.

The square root of 11797869924 is 108618.

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

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 11741889600 = 7482^2 + 108360^2 .

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, 28023234 + ... + 28023654.

Almost surely, 211797869924 is an apocalyptic number.

11797869924 is the 108618-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11797869924

11797869924 is an abundant number, since it is smaller than the sum of its proper divisors (18806891445).

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

11797869924 is an equidigital number, since it uses as much as digits as its factorization.

11797869924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 469 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

It can be divided in two parts, 11797 and 869924, that added together give a square (881721 = 9392).

The spelling of 11797869924 in words is "eleven billion, seven hundred ninety-seven million, eight hundred sixty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 421 516 774 842 1263 1548 1684 1849 2526 3698 3789 5052 5547 7396 7578 11094 15156 16641 18103 22188 33282 36206 54309 66564 72412 108618 162927 177241 217236 325854 354482 531723 651708 708964 778429 1063446 1556858 1595169 2126892 2335287 3113716 3190338 4670574 6380676 7005861 7621363 9341148 14011722 15242726 22864089 28023444 30485452 45728178 68592267 91456356 137184534 274369068 327718609 655437218 983155827 1310874436 1966311654 2949467481 3932623308 5898934962 11797869924