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1042992412900 = 225273213992
BaseRepresentation
bin11110010110101110011…
…00010011100011100100
310200201010221020021202221
433023113030103203210
5114042022024203100
62115051043042124
7135232216142464
oct17132714234344
93621127207687
101042992412900
11372370032049
1214a180070344
137747a2a7109
14386a4203ba4
151c1e5ce401a
hexf2d73138e4

1042992412900 has 81 divisors (see below), whose sum is σ = 2296363701051. Its totient is φ = 411187812480.

The previous prime is 1042992412873. The next prime is 1042992412907. The reversal of 1042992412900 is 92142992401.

The square root of 1042992412900 is 1021270.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5707198116 + 1037285214784 = 75546^2 + 1018472^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042992412907) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 745526401 + ... + 745527799.

Almost surely, 21042992412900 is an apocalyptic number.

1042992412900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042992412900 is the 1021270-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042992412900

1042992412900 is an abundant number, since it is smaller than the sum of its proper divisors (1253371288151).

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

1042992412900 is an frugal number, since it uses more digits than its factorization.

1042992412900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1042992412900 in words is "one trillion, forty-two billion, nine hundred ninety-two million, four hundred twelve thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 73 100 146 292 365 730 1399 1460 1825 2798 3650 5329 5596 6995 7300 10658 13990 21316 26645 27980 34975 53290 69950 102127 106580 133225 139900 204254 266450 408508 510635 532900 1021270 1957201 2042540 2553175 3914402 5106350 7455271 7828804 9786005 10212700 14910542 19572010 29821084 37276355 39144020 48930025 74552710 97860050 142875673 149105420 186381775 195720100 285751346 372763550 571502692 714378365 745527100 1428756730 2857513460 3571891825 7143783650 10429924129 14287567300 20859848258 41719696516 52149620645 104299241290 208598482580 260748103225 521496206450 1042992412900