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1419802668 = 223417259257
BaseRepresentation
bin101010010100000…
…0111100000101100
310122221121110010000
41110220013200230
510401432141133
6352515144300
750120060244
oct12450074054
93587543100
101419802668
11669494839
123375a5090
131981c312b
14d67c8b24
15849a7413
hex54a0782c

1419802668 has 180 divisors, whose sum is σ = 4025248920. Its totient is φ = 436174848.

The previous prime is 1419802667. The next prime is 1419802669. The reversal of 1419802668 is 8662089141.

It is an interprime number because it is at equal distance from previous prime (1419802667) and next prime (1419802669).

It is not an unprimeable number, because it can be changed into a prime (1419802663) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5524396 + ... + 5524652.

It is an arithmetic number, because the mean of its divisors is an integer number (22362494).

Almost surely, 21419802668 is an apocalyptic number.

1419802668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1419802668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012624460).

1419802668 is an abundant number, since it is smaller than the sum of its proper divisors (2605446252).

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

1419802668 is a wasteful number, since it uses less digits than its factorization.

1419802668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1419802668 is about 37680.2689480848. The cubic root of 1419802668 is about 1123.9387966235.

The spelling of 1419802668 in words is "one billion, four hundred nineteen million, eight hundred two thousand, six hundred sixty-eight".