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2738829713481 = 32432128292
BaseRepresentation
bin100111110110101110111…
…110001110000001001001
3100200211101202022001220100
4213312232332032001021
5324333110401312411
65454111225520013
7401605516310241
oct47665676160111
910624352261810
102738829713481
11966592a76984
12382978643009
1316b369493b24
14967bab68b21
154b39ae50456
hex27daef8e049

2738829713481 has 27 divisors (see below), whose sum is σ = 4050544711239. Its totient is φ = 1783284984432.

The previous prime is 2738829713461. The next prime is 2738829713527. The reversal of 2738829713481 is 1843179288372.

The square root of 2738829713481 is 1654941.

It is a perfect power (a square), and thus also a powerful number.

2738829713481 is a `hidden beast` number, since 2 + 7 + 3 + 8 + 82 + 9 + 71 + 3 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2151675325881 + 587154387600 = 1466859^2 + 766260^2 .

It is not a de Polignac number, because 2738829713481 - 25 = 2738829713449 is a prime.

It is a super-2 number, since 2×27388297134812 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2738829713401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 213480975 + ... + 213493803.

Almost surely, 22738829713481 is an apocalyptic number.

2738829713481 is the 1654941-st square number.

2738829713481 is the 827471-st centered octagonal number.

It is an amenable number.

2738829713481 is a deficient number, since it is larger than the sum of its proper divisors (1311714997758).

2738829713481 is an frugal number, since it uses more digits than its factorization.

2738829713481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750 (or 12875 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 2738829713481 in words is "two trillion, seven hundred thirty-eight billion, eight hundred twenty-nine million, seven hundred thirteen thousand, four hundred eighty-one".

Divisors: 1 3 9 43 129 387 1849 5547 12829 16641 38487 115461 551647 1654941 4964823 23720821 71162463 164583241 213487389 493749723 1481249169 7077079363 21231238089 63693714267 304314412609 912943237827 2738829713481