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38700833421665 = 547167986134117
BaseRepresentation
bin10001100110010101111010…
…11011011011100101100001
312002000202121121210202200102
420303022331123123211201
520033033301323443130
6214150530055432145
711103020505244652
oct1063127533334541
9162022547722612
1038700833421665
1111370a275a0a18
124410592985655
13187961c05574c
1497b1b78b9529
15471a6e071645
hex2332bd6db961

38700833421665 has 16 divisors (see below), whose sum is σ = 47713113165312. Its totient is φ = 30120480439104.

The previous prime is 38700833421637. The next prime is 38700833421667. The reversal of 38700833421665 is 56612433800783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38700833421665 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38700833421665.

It is not an unprimeable number, because it can be changed into a prime (38700833421667) 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, 493027814 + ... + 493106303.

It is an arithmetic number, because the mean of its divisors is an integer number (2982069572832).

Almost surely, 238700833421665 is an apocalyptic number.

It is an amenable number.

38700833421665 is a deficient number, since it is larger than the sum of its proper divisors (9012279743647).

38700833421665 is a wasteful number, since it uses less digits than its factorization.

38700833421665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986134336.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 38700833421665 in words is "thirty-eight trillion, seven hundred billion, eight hundred thirty-three million, four hundred twenty-one thousand, six hundred sixty-five".

Divisors: 1 5 47 167 235 835 7849 39245 986134117 4930670585 46348303499 164684397539 231741517495 823421987695 7740166684333 38700833421665