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42803472100 = 225217212172
BaseRepresentation
bin100111110111010010…
…010010011011100100
311002111001021200020111
4213313102102123210
51200130142101400
631355202542404
73043465336564
oct476722223344
9132431250214
1042803472100
1117175498134
128366967a04
134061b26cac
142100a56da4
1511a7baa3ba
hex9f74926e4

42803472100 has 81 divisors (see below), whose sum is σ = 98749810033. Its totient is φ = 16101007360.

The previous prime is 42803472071. The next prime is 42803472139. The reversal of 42803472100 is 127430824.

The square root of 42803472100 is 206890.

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

It can be written as a sum of positive squares in 13 ways, for example, as 22000602276 + 20802869824 = 148326^2 + 144232^2 .

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, 35170692 + ... + 35171908.

Almost surely, 242803472100 is an apocalyptic number.

42803472100 is the 206890-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42803472100

42803472100 is an abundant number, since it is smaller than the sum of its proper divisors (55946337933).

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

42803472100 is a wasteful number, since it uses less digits than its factorization.

42803472100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 42803472100 in words is "forty-two billion, eight hundred three million, four hundred seventy-two thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1217 1445 1700 2434 2890 4868 5780 6085 7225 12170 14450 20689 24340 28900 30425 41378 60850 82756 103445 121700 206890 351713 413780 517225 703426 1034450 1406852 1481089 1758565 2068900 2962178 3517130 5924356 7034260 7405445 8792825 14810890 17585650 25178513 29621780 35171300 37027225 50357026 74054450 100714052 125892565 148108900 251785130 428034721 503570260 629462825 856069442 1258925650 1712138884 2140173605 2517851300 4280347210 8560694420 10700868025 21401736050 42803472100