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2838155672 = 231126134783
BaseRepresentation
bin1010100100101010…
…1101000110011000
321022210111020122202
42221022231012120
521303031440142
61145343305332
7130221632222
oct25112550630
97283436582
102838155672
111227079400
126725ab248
13362cc9471
141ccd17412
15119275032
hexa92ad198

2838155672 has 48 divisors (see below), whose sum is σ = 5860065120. Its totient is φ = 1287696960.

The previous prime is 2838155641. The next prime is 2838155713. The reversal of 2838155672 is 2765518382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590993 + ... + 595775.

It is an arithmetic number, because the mean of its divisors is an integer number (122084690).

Almost surely, 22838155672 is an apocalyptic number.

2838155672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2838155672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930032560).

2838155672 is an abundant number, since it is smaller than the sum of its proper divisors (3021909448).

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

2838155672 is a wasteful number, since it uses less digits than its factorization.

2838155672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424 (or 5409 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 2838155672 is about 53274.3434685027. The cubic root of 2838155672 is about 1415.8331314634.

The spelling of 2838155672 in words is "two billion, eight hundred thirty-eight million, one hundred fifty-five thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 613 968 1226 2452 4783 4904 6743 9566 13486 19132 26972 38264 52613 53944 74173 105226 148346 210452 296692 420904 578743 593384 1157486 2314972 2931979 4629944 5863958 11727916 23455832 32251769 64503538 129007076 258014152 354769459 709538918 1419077836 2838155672