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38387523744427 = 11131791499688391
BaseRepresentation
bin10001011101001110010101…
…01101110111001010101011
312000220210220112101002011111
420232213022231313022223
520012420122034310202
6213350552430011151
711041256424031504
oct1056471255671253
9160823815332144
1038387523744427
111126006a436170
12437b914046ab7
131855c0a9496a0
14969d74c39bab
1546883318e6d7
hex22e9cab772ab

38387523744427 has 16 divisors (see below), whose sum is σ = 45350576974080. Its totient is φ = 32033344010400.

The previous prime is 38387523744413. The next prime is 38387523744457. The reversal of 38387523744427 is 72444732578383.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38387523744427 - 215 = 38387523711659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38387523744457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749818599 + ... + 749869792.

It is an arithmetic number, because the mean of its divisors is an integer number (2834411060880).

Almost surely, 238387523744427 is an apocalyptic number.

38387523744427 is a deficient number, since it is larger than the sum of its proper divisors (6963053229653).

38387523744427 is a wasteful number, since it uses less digits than its factorization.

38387523744427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499688594.

The product of its digits is 758661120, while the sum is 67.

The spelling of 38387523744427 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-three million, seven hundred forty-four thousand, four hundred twenty-seven".

Divisors: 1 11 13 143 179 1969 2327 25597 1499688391 16496572301 19495949083 214455439913 268444221989 2952886441879 3489774885857 38387523744427