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3000139232281 = 47213722692
BaseRepresentation
bin101011101010000110001…
…110111011010000011001
3101121210212212021000020021
4223222012032323100121
5343123241120413111
610214124523430441
7426516150466102
oct53520616732031
911553785230207
103000139232281
11a57396423a84
12405544685421
13189bb162b979
14a52c95bb3a9
1553091a97d71
hex2ba863bb419

3000139232281 has 27 divisors (see below), whose sum is σ = 3099389853469. Its totient is φ = 2904037627328.

The previous prime is 3000139232267. The next prime is 3000139232357. The reversal of 3000139232281 is 1822329310003.

The square root of 3000139232281 is 1732091.

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

3000139232281 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 539997174025 + 2460142058256 = 734845^2 + 1568484^2 .

It is not a de Polignac number, because 3000139232281 - 215 = 3000139199513 is a prime.

It is a super-2 number, since 2×30001392322812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3000139232231) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11152933815 + ... + 11152934083.

Almost surely, 23000139232281 is an apocalyptic number.

3000139232281 is the 1732091-st square number.

3000139232281 is the 866046-th centered octagonal number.

It is an amenable number.

3000139232281 is a deficient number, since it is larger than the sum of its proper divisors (99250621188).

3000139232281 is an frugal number, since it uses more digits than its factorization.

3000139232281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 3000139232281 in words is "three trillion, one hundred thirty-nine million, two hundred thirty-two thousand, two hundred eighty-one".

Divisors: 1 47 137 269 2209 6439 12643 18769 36853 72361 302633 594221 882143 1732091 3400967 5048861 9913457 41460721 81408277 159845449 237296467 465932479 1358143609 11152933949 21898826513 63832749623 3000139232281