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13838148570 = 2354491027331
BaseRepresentation
bin11001110001101000…
…10110001111011010
31022201101220210011010
430320310112033122
5211320031223240
610205051314350
7666631215321
oct147064261732
938641823133
1013838148570
115961301924
12282244b9b6
1313c6c207bc
14953bc50b8
1555ed12280
hex338d163da

13838148570 has 32 divisors (see below), whose sum is σ = 33285556800. Its totient is φ = 3681950720.

The previous prime is 13838148553. The next prime is 13838148581. The reversal of 13838148570 is 7584183831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500196 + ... + 527135.

It is an arithmetic number, because the mean of its divisors is an integer number (1040173650).

Almost surely, 213838148570 is an apocalyptic number.

13838148570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13838148570 is an abundant number, since it is smaller than the sum of its proper divisors (19447408230).

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

13838148570 is a wasteful number, since it uses less digits than its factorization.

13838148570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027790.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 13838148570 in words is "thirteen billion, eight hundred thirty-eight million, one hundred forty-eight thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 449 898 1347 2245 2694 4490 6735 13470 1027331 2054662 3081993 5136655 6163986 10273310 15409965 30819930 461271619 922543238 1383814857 2306358095 2767629714 4612716190 6919074285 13838148570