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38265501257 = 257367405703
BaseRepresentation
bin100011101000110011…
…010011011001001001
310122202210021212112022
4203220303103121021
51111331432020012
625325014254225
72523153252104
oct435063233111
9118683255468
1038265501257
1115256972505
1274bb057375
1337ba917449
141bd00a573b
15ede5bb472
hex8e8cd3649

38265501257 has 8 divisors (see below), whose sum is σ = 38519160576. Its totient is φ = 38012654592.

The previous prime is 38265501221. The next prime is 38265501283. The reversal of 38265501257 is 75210556283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38265501257 - 212 = 38265497161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38265503257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108533 + ... + 297170.

It is an arithmetic number, because the mean of its divisors is an integer number (4814895072).

Almost surely, 238265501257 is an apocalyptic number.

It is an amenable number.

38265501257 is a deficient number, since it is larger than the sum of its proper divisors (253659319).

38265501257 is a wasteful number, since it uses less digits than its factorization.

38265501257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406327.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 38265501257 in words is "thirty-eight billion, two hundred sixty-five million, five hundred one thousand, two hundred fifty-seven".

Divisors: 1 257 367 94319 405703 104265671 148893001 38265501257