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38387525811337 = 48874978542413
BaseRepresentation
bin10001011101001110010101…
…10101101111110010001001
312000220210220200021002102201
420232213022311233302021
520012420123101430322
6213350552542200201
711041256450430463
oct1056471265576211
9160823820232381
1038387525811337
111126007061805a
12437b914883061
131855c0b1c1401
14969d75217133
1546883344bd27
hex22e9cad6fc89

38387525811337 has 4 divisors (see below), whose sum is σ = 38387604842500. Its totient is φ = 38387446780176.

The previous prime is 38387525811307. The next prime is 38387525811377. The reversal of 38387525811337 is 73311852578383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29604002193936 + 8783523617401 = 5440956^2 + 2963701^2 .

It is a cyclic number.

It is not a de Polignac number, because 38387525811337 - 227 = 38387391593609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38387525811307) 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, 38782458 + ... + 39759955.

It is an arithmetic number, because the mean of its divisors is an integer number (9596901210625).

Almost surely, 238387525811337 is an apocalyptic number.

It is an amenable number.

38387525811337 is a deficient number, since it is larger than the sum of its proper divisors (79031163).

38387525811337 is an equidigital number, since it uses as much as digits as its factorization.

38387525811337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79031162.

The product of its digits is 101606400, while the sum is 64.

The spelling of 38387525811337 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-five million, eight hundred eleven thousand, three hundred thirty-seven".

Divisors: 1 488749 78542413 38387525811337