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3195124075081 = 2343121092
BaseRepresentation
bin101110011111101100001…
…111000100101001001001
3102022110011200122022101201
4232133230033010221021
5404322103230400311
610443453021344201
7446561103346411
oct56375417045111
912273150568351
103195124075081
111022054275364
124372a0708061
131a23b69131b3
14b09055b3641
15581a4abe9c1
hex2e7ec3c4a49

3195124075081 has 45 divisors (see below), whose sum is σ = 3483542258343. Its totient is φ = 2930484245040.

The previous prime is 3195124075067. The next prime is 3195124075097. The reversal of 3195124075081 is 1805704215913.

The square root of 3195124075081 is 1787491.

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

3195124075081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2226986151481 + 968137923600 = 1492309^2 + 983940^2 .

It is not a de Polignac number, because 3195124075081 - 231 = 3192976591433 is a prime.

It is a super-2 number, since 2×31951240750812 (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 (3195124175081) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 29313064855 + ... + 29313064963.

Almost surely, 23195124075081 is an apocalyptic number.

3195124075081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3195124075081 is the 1787491-st square number.

3195124075081 is the 893746-th centered octagonal number.

It is an amenable number.

3195124075081 is a deficient number, since it is larger than the sum of its proper divisors (288418183262).

3195124075081 is an frugal number, since it uses more digits than its factorization.

3195124075081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 3195124075081 in words is "three trillion, one hundred ninety-five billion, one hundred twenty-four million, seventy-five thousand, eighty-one".

Divisors: 1 23 31 109 529 713 961 2507 3379 11881 12167 16399 22103 57661 77717 104749 273263 279841 368311 377177 508369 1326203 1787491 2409227 6285049 8471153 8675071 11417641 11692487 30502669 41112293 55412221 144556127 194836519 262605743 268927201 945582739 1274481083 3324790921 4481239937 6039932089 29313064909 103068518551 138918438047 3195124075081