Search a number
-
+
412242023440 = 245131812189981
BaseRepresentation
bin1011111111110111000…
…10100001010000010000
31110102001212002121002101
411333323202201100100
523223232424222230
6513214213130144
741532512245312
oct5777342412020
91412055077071
10412242023440
11149915969845
1267a8b029954
132cb499819b0
1415d49dc17b2
15aacb524aca
hex5ffb8a1410

412242023440 has 80 divisors (see below), whose sum is σ = 1037893789296. Its totient is φ = 151371417600.

The previous prime is 412242023429. The next prime is 412242023449. The reversal of 412242023440 is 44320242214.

It can be written as a sum of positive squares in 8 ways, for example, as 184415278096 + 227826745344 = 429436^2 + 477312^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 412242023399 and 412242023408.

It is not an unprimeable number, because it can be changed into a prime (412242023449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 906751 + ... + 1283230.

Almost surely, 2412242023440 is an apocalyptic number.

412242023440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

412242023440 is an abundant number, since it is smaller than the sum of its proper divisors (625651765856).

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

412242023440 is a wasteful number, since it uses less digits than its factorization.

412242023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190188 (or 2190182 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 412242023440 its reverse (44320242214), we get a palindrome (456562265654).

The spelling of 412242023440 in words is "four hundred twelve billion, two hundred forty-two million, twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 181 208 260 362 520 724 905 1040 1448 1810 2353 2896 3620 4706 7240 9412 11765 14480 18824 23530 37648 47060 94120 188240 2189981 4379962 8759924 10949905 17519848 21899810 28469753 35039696 43799620 56939506 87599240 113879012 142348765 175198480 227758024 284697530 396386561 455516048 569395060 792773122 1138790120 1585546244 1981932805 2277580240 3171092488 3963865610 5153025293 6342184976 7927731220 10306050586 15855462440 20612101172 25765126465 31710924880 41224202344 51530252930 82448404688 103060505860 206121011720 412242023440