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38387525810137 = 75483932258591
BaseRepresentation
bin10001011101001110010101…
…10101101111011111011001
312000220210220200021000210021
420232213022311233133121
520012420123101411022
6213350552542150441
711041256450424130
oct1056471265573731
9160823820230707
1038387525810137
1111260070617169
12437b914882421
131855c0b1c09ba
14969d75216917
1546883344b7c7
hex22e9cad6f7d9

38387525810137 has 4 divisors (see below), whose sum is σ = 43871458068736. Its totient is φ = 32903593551540.

The previous prime is 38387525810093. The next prime is 38387525810159. The reversal of 38387525810137 is 73101852578383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38387525810137 - 27 = 38387525810009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38387525810167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741966129289 + ... + 2741966129302.

It is an arithmetic number, because the mean of its divisors is an integer number (10967864517184).

Almost surely, 238387525810137 is an apocalyptic number.

It is an amenable number.

38387525810137 is a deficient number, since it is larger than the sum of its proper divisors (5483932258599).

38387525810137 is an equidigital number, since it uses as much as digits as its factorization.

38387525810137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483932258598.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 38387525810137 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-five million, eight hundred ten thousand, one hundred thirty-seven".

Divisors: 1 7 5483932258591 38387525810137