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1338868330 = 25457292969
BaseRepresentation
bin100111111001101…
…1000001001101010
310110022022120001221
41033303120021222
510220222241310
6340504332254
745115123132
oct11763301152
93408276057
101338868330
11627835658
1231447408a
131844c66a7
14c9b5bac2
157c81bada
hex4fcd826a

1338868330 has 16 divisors (see below), whose sum is σ = 2415244680. Its totient is φ = 534373632.

The previous prime is 1338868327. The next prime is 1338868343. The reversal of 1338868330 is 338688331.

It can be written as a sum of positive squares in 4 ways, for example, as 1333199169 + 5669161 = 36513^2 + 2381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141915 + ... + 151054.

Almost surely, 21338868330 is an apocalyptic number.

1338868330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338868330 is a deficient number, since it is larger than the sum of its proper divisors (1076376350).

1338868330 is a wasteful number, since it uses less digits than its factorization.

1338868330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293433.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1338868330 is about 36590.5497362365. The cubic root of 1338868330 is about 1102.1633267035.

It can be divided in two parts, 13388 and 68330, that added together give a palindrome (81718).

The spelling of 1338868330 in words is "one billion, three hundred thirty-eight million, eight hundred sixty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 457 914 2285 4570 292969 585938 1464845 2929690 133886833 267773666 669434165 1338868330