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52443968450 = 2521048879369
BaseRepresentation
bin110000110101111001…
…110111001111000010
312000100220120122001212
4300311321313033002
51324401123442300
640031544130122
73534416243126
oct606571671702
9160326518055
1052443968450
1120272286795
12a1b7466942
134c3a1b15c3
142777157586
15156e203935
hexc35e773c2

52443968450 has 12 divisors (see below), whose sum is σ = 97545781410. Its totient is φ = 20977587360.

The previous prime is 52443968417. The next prime is 52443968483. The reversal of 52443968450 is 5486934425.

It is an interprime number because it is at equal distance from previous prime (52443968417) and next prime (52443968483).

It can be written as a sum of positive squares in 3 ways, for example, as 30199140841 + 22244827609 = 173779^2 + 149147^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 1048879369 = 52443968450 / (5 + 2 + 4 + 4 + 3 + 9 + 6 + 8 + 4 + 5 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524439635 + ... + 524439734.

Almost surely, 252443968450 is an apocalyptic number.

52443968450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52443968450 is a deficient number, since it is larger than the sum of its proper divisors (45101812960).

52443968450 is a wasteful number, since it uses less digits than its factorization.

52443968450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048879381 (or 1048879376 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 52443968450 in words is "fifty-two billion, four hundred forty-three million, nine hundred sixty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1048879369 2097758738 5244396845 10488793690 26221984225 52443968450