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16228538662938 = 237386393777689
BaseRepresentation
bin1110110000101000000001…
…0010000100000000011010
32010110102200202120210000020
43230022000102010000122
54111342021344203223
654303142052451310
73263321213422440
oct354120022040032
963412622523006
1016228538662938
115197536aa8518
1219a1248919b36
139094631c6394
1440167332ab90
151d221ca1a1e3
hexec28048401a

16228538662938 has 16 divisors (see below), whose sum is σ = 37093802658240. Its totient is φ = 4636725332256.

The previous prime is 16228538662837. The next prime is 16228538662939. The reversal of 16228538662938 is 83926683582261.

It is not an unprimeable number, because it can be changed into a prime (16228538662939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193196888803 + ... + 193196888886.

It is an arithmetic number, because the mean of its divisors is an integer number (2318362666140).

Almost surely, 216228538662938 is an apocalyptic number.

16228538662938 is an abundant number, since it is smaller than the sum of its proper divisors (20865263995302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16228538662938 is a wasteful number, since it uses less digits than its factorization.

16228538662938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386393777701.

The product of its digits is 358318080, while the sum is 69.

The spelling of 16228538662938 in words is "sixteen trillion, two hundred twenty-eight billion, five hundred thirty-eight million, six hundred sixty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 386393777689 772787555378 1159181333067 2318362666134 2704756443823 5409512887646 8114269331469 16228538662938